Studies in Spermatogenesis (Part 2 of 2)
Free
Studies in Spermatogenesis (Part 2 of 2)
By N. M. (Nettie Maria) Stevens
Free
Book Description

Table of Contents
  • STUDIES IN SPERMATOGENESIS
  • PART II.
    • (Pages 33-74. Plates VIII-XV.)
    • A COMPARATIVE STUDY OF THE HETEROCHROMOSOMES IN CERTAIN SPECIES OF COLEOPTERA, HEMIPTERA AND LEPIDOPTERA, WITH ESPECIAL REFERENCE TO
  • SEX DETERMINATION.
  • STUDIES IN SPERMATOGENESIS.—II.
  • A COMPARATIVE STUDY OF THE HETEROCHROMOSOMES IN CERTAIN SPECIES OF COLEOPTERA, HEMIPTERA, AND LEPIDOPTERA, WITH ESPECIAL REFERENCE TO SEX DETERMINATION.
  • INTRODUCTION.
    • METHODS.
  • COLEOPTERA.
    • Trirhabda virgata (Family Chrysomelidæ).
      • Trirhabda canadense.
      • Chelymorpha argus (Family Chrysomelidæ).
      • Odontota dorsalis (Family Chrysomelidæ).
      • Epilachna borealis (Family Coccinellidæ).
      • Euphoria inda (Family Scarabæidæ).
      • Blepharida rhois (Family Chrysomelidæ).
      • Silpha americana (Family Silphidæ).
      • Doryphora decemlineata (Family Chrysomelidæ).
      • Miscellaneous Coleoptera.
    • Trirhabda canadense.
    • Chelymorpha argus (Family Chrysomelidæ).
    • Odontota dorsalis (Family Chrysomelidæ).
    • Epilachna borealis (Family Coccinellidæ).
    • Euphoria inda (Family Scarabæidæ).
    • Blepharida rhois (Family Chrysomelidæ).
    • Silpha americana (Family Silphidæ).
    • Doryphora decemlineata (Family Chrysomelidæ).
    • Miscellaneous Coleoptera.
  • HEMIPTERA HOMOPTERA.
    • Aphrophora quadrangularis.
  • LEPIDOPTERA.
    • Cacoecia and Euvanessa.
  • SUMMARY OF RESULTS.
    • FOOTNOTES:
  • COMPARISON OF RESULTS IN DIFFERENT SPECIES OF COLEOPTERA.
  • COMPARISON OF THE COLEOPTERA WITH THE HEMIPTERA AND LEPIDOPTERA.
  • GENERAL DISCUSSION.
    • FOOTNOTES:
  • BIBLIOGRAPHY.
  • DESCRIPTION OF PLATES
    • Plate VIII.
      • Trirhabda virgata (Family Chrysomelidæ).
      • Trirhabda canadense.
    • Trirhabda virgata (Family Chrysomelidæ).
    • Trirhabda canadense.
    • Plate IX.
      • Chelymortha argus (Family Chrysomelidæ).
      • Odontota dorsalis (Family Chrysomelidæ).
    • Chelymortha argus (Family Chrysomelidæ).
    • Odontota dorsalis (Family Chrysomelidæ).
    • Plate X.
      • Odontota dorsalis.
      • Epilachna borealis (Family Coccinellidæ).
      • Euphoria inda (Family Scarabæidæ).
    • Odontota dorsalis.
    • Epilachna borealis (Family Coccinellidæ).
    • Euphoria inda (Family Scarabæidæ).
    • Plate XI.
      • Euphoria inda.
      • Blepharida rhois (Family Chrysomelidæ).
      • Silpha americana (Family Silphidæ).
    • Euphoria inda.
    • Blepharida rhois (Family Chrysomelidæ).
    • Silpha americana (Family Silphidæ).
    • Plate XII.
      • Doryphora decemlineata (Family Chrysomelidæ).
      • Spruce-borers (Family Buprestidæ).
    • Doryphora decemlineata (Family Chrysomelidæ).
    • Spruce-borers (Family Buprestidæ).
    • Plate XIII.
      • Adalia bipunctata (Family Coccinellidæ).
      • Cicindela primeriana (Family Cicindelidæ).
      • Chlænius æstivus (Family Carabidæ).
      • Chlænius pennsylvanicus.
      • Anomoglossus emarginatus (Family Carabidæ).
      • Elater I (Family Elateridæ, species not determined).
      • Elater II (Species not determined).
      • Ellychnia corrusca (Family Lampyridæ).
    • Adalia bipunctata (Family Coccinellidæ).
    • Cicindela primeriana (Family Cicindelidæ).
    • Chlænius æstivus (Family Carabidæ).
    • Chlænius pennsylvanicus.
    • Anomoglossus emarginatus (Family Carabidæ).
    • Elater I (Family Elateridæ, species not determined).
    • Elater II (Species not determined).
    • Ellychnia corrusca (Family Lampyridæ).
    • Plate XIV.
      • Aphrophora quadrangularis (Hemiptera homoptera).
    • Aphrophora quadrangularis (Hemiptera homoptera).
    • Plate XV.
      • Aphrophora quadrangularis.
      • Cacœcia cerasivorana (Lepidoptera).
      • Euvanessa antiopa (Lepidoptera).
    • Aphrophora quadrangularis.
    • Cacœcia cerasivorana (Lepidoptera).
    • Euvanessa antiopa (Lepidoptera).
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