1Studies in Spermatogenesis (Vol.1&2)
10COLEOPTERA.
2Volume 1
11HEMIPTERA HOMOPTERA.
3STUDIES IN SPERMATOGENESIS WITH ESPECIAL REFERENCE TO THE "ACCESSORY CHROMOSOME."
12LEPIDOPTERA.
4RESULTS OF INVESTIGATIONS.
13SUMMARY OF RESULTS.
5GENERAL DISCUSSION.
14COMPARISON OF RESULTS IN DIFFERENT SPECIES OF COLEOPTERA.