618 



INDEX 



OLFACTORY organs of a coleopterous 

 larva. The 113 



(Opisthocomus cristatus) and other points on 

 its morphology. Notes on the osteology 

 of the young of the hoatzin 599 



Osteology of the gruntfish, Rhamphocottus 



richardsoni 461 • 



Osteology of the young of the hoatzin (Opis- 

 thocomus cristatus) and other points on 

 its morphology. Notes on the 599 



PIED-BILLED grebe, with special consid- 

 eration of the origin of the postbranchial 

 body. The branchial derivatives of the 25 

 PiNNEY, Edith. A study of the relation of 

 the behavior of the chromatin to develop- 

 ment and heredity in teleost hybrids... 225 

 Postbranchial body. The branchial deriva- 

 tives of the pied-billed grebe, with special 



consideration of the origin of the. ... 25 



Pouch in birds. The origin of the ultimo- 

 branchial body and its relation to the 

 fifth 583 



RAMOSUM. Germ cells of coelenterates. 

 V. Eudendrium 1 



Rat (Musnorvegicus, var.alb.) III. Sperma- 

 togenesis: the origin of the first spermato- 

 cytes and the organization of the chromo- 

 somes, including the accessory. Studies 



on cell division in the albino 133 



Rich, Stephen G. The gill-chamber of dra- 

 gonfly nymphs 317 



SHUFELDT, R. W. Notes on the osteol- 

 ogy of the young of the hoatzin (Opis- 

 thocomus cristatus) and other points on 

 its morphology 599 



Slonaker, J.^mes Rollin. a physiological 

 study of the anatomy of the eye and its 

 accessory parts of the English sparrow 

 (Passer domesticus) 351 



Sparrow (Passer domesticus). A physiologi- 

 cal study of the anatomy of the eye and 

 its accessory parts of the English 351 



Spermatogenesis: the origin of the first sper- 

 matocytes and the organization of the 

 chromosomes, including the accessory. 

 Studies on cell division in the albino 

 rat (Mus norvegicus, var. alb.) Ill 133 



Spinal nerves of the caecilian amphibians. 

 The cranial and anterior 489 



Squalus acanthias. The morphogenesis of 

 the thyreoid gland in 187 



Style of lamellibranchs. On the origin, na- 

 ture and function of the crystalline 53 



TELEOST hybrids. A study of the rela- 

 tion of the behavior of the chromatin to 



development and heredity in 225 



Thyreoid gland in Squalus acanthias. The 

 morphogenesis of the 187 



ULTIMOBRANCHIAL body and its rela- 

 tion to the fifth pouch in birds. The 

 origin of the 583 



VERRILL. Longitudinal fission in Ac- 

 tinia bermudensis 43 



WALTON, A. C. Longitudinal fission 

 in Actinia bermudensis Verrill 43 



Wax glands of the cockroach (Blatta german- 

 ica). The 563 



