Studies in Spermatogenesis (Part 2 of 2)
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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.
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.
Plate IX.
Chelymortha argus (Family Chrysomelidæ).
Odontota dorsalis (Family Chrysomelidæ).
Plate X.
Odontota dorsalis.
Epilachna borealis (Family Coccinellidæ).
Euphoria inda (Family Scarabæidæ).
Plate XI.
Euphoria inda.
Blepharida rhois (Family Chrysomelidæ).
Silpha americana (Family Silphidæ).
Plate XII.
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).
Plate XIV.
Aphrophora quadrangularis (Hemiptera homoptera).
Plate XV.
Aphrophora quadrangularis.
Cacœcia cerasivorana (Lepidoptera).
Euvanessa antiopa (Lepidoptera).
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