SUBJECT AND AUTHOR INDEX 
7 ae spaces in the lung of the cat. The.... 459 
Amphibia. The development of the blood and 
the transformation of some of the early 
wATOLINIE WESSCIS MI rettclale cei=.cserinsistnsie vis) < 339 
Ascaris megalocephala with special reference to 
the two cytoplasmic inclusions, the refrac- 
tive body and the ‘mitochondria:’ their 
origin, nature and réle in fertilization. 
The spermatogenesis of..................- 421 
INFORD, Raymonp. The germ-cells and 
the process of fertilization in the crab, 
Menippemercenaria cs. j\..6- see sae 147 
Blood and the transformation of some of the 
early vitelline vessels in Amphibia. The 
development of the ......:..-...0....+.2.+ 339 
AMPANULARIA flexuosa. Germ cells 
‘of coelenterabess * I). shan fara 383 
CarotHers, E. Evreanor. The Mendelian 
ratio in relation to certain orthopteran 
CinGyealosovinlssb Ge snoashs sonopandasicceooose 487 
Cat. The air spaces in the lung of the.......... 459 
Cell-division in the sex cells of Taenia teniae- 
formis..) Method: Of; ...0 ecco ee eee 205 
Cells and the process of fertilization in the 
crab, Menippe mercenaria. The germ. 147 
Cells of coelenterates. I. Campanularia flex- 
RIGS ay ONIN, Avec ridin asst eset olay ec ee eee 383 
Cells of Taenia teniaeformis. Method of cell- 
Muvistonhin hemex: Ses ace se. seem 205 
Chromosomes. The Mendelian ratio in rela- 
tion to certain orthopteran................ 487 
Coelenterates. I. Campanularia flexuosa. 
Garnircellsioinsctr occa san Cea eee 383 
Crab, Menippe mercenaria. The germ-cells 
and the process of fertilization in the...... 147 
Cranial nerves of Siren lacertina. The.. 245 
Cytoplasmic inclusions, the refractive body 
and the ‘mitochondria:’their origin, nature 
and role in fertilization. The spermato- 
genesis of Ascaris megalocephala witn 
special reference to the two................ 491 
ANFORTH, C. H. The myology of 
IRON OM ONS, Soja crseetin nectar ees aes 107 
Development in Tatusia novemecincta. Poly- 
Glin TAOUNEE on bn so nau Aoeme oom pe Aoaoen ier 559 
Development of a hymenopterous parasite, 
Spalangia muscidarum Richardson. Stud- 
RESON NESNADIES AN G)= nek se a cchiaes oisiee 513 
Development of the blood and the transfor- 
mation of some of the early vitelline ves- 
selermAmphibian THE). ceca ak vetoes oo 339 
Division in the sex cells of Taenia teniaefor- 
Mise WYSE HOG Ol CEll=es en ses cles euiee ee omc 205 
EL, Steatogenys elegans (Steindachner). 
A study of the submental filaments con- 
sidered as probable electric organs in the 
PVIATIO ULE aoe neon acres ate 685 
Electric organs in the gymnotid eel, Steato- 
genys elegans (Steindachner). A study 
of the submental filaments considered as 
PMO DADE emma setae otaia eal a ok tony roster haych 685 
ERTILIZATION in the crab, 
mercenaria. The germ-cells and 
process of 
Fertilization. The spermatogenesis of Asca- 
ris megalocephala with special reference to 
the two cytoplasmic inclusions, the refrac- 
tive body and the ‘mitochondria:’ their 
origin, matureand roleauns sone eo neoeeee 
Filaments considered as probable electric or- 
gans in the gymnotid eel, Steatogenys 
elegans (Steindachner). A study of the 
submentalasncc icc eee eee ee ee 
Flexuosa. Germ cells of coelenterates. I. 
Menippe 
the 
Campanulariaet seen qenceoee ee eer ee ee oes E 
‘ERM-CELLS and the process of fertili- 
Zauon in the crab, Menippe mercenaria. 
Ef 24 are ote ac Tae Se ee 
Germ cells of coelenterates. I. Campanula- 
ria, fexuosas<32 ee a ae ee 
GREGORY, WILLIAM K. Critique of recent 
work on the morphology of the vertebrate 
skull, especially in relation to the origin 
of mammals sy cee eee es eee eee 
Gymnotid eel, Steatogenys elegans (Stein- 
dachner). A study of the submental fila- 
ments considered as probable electric or- 
FANS in thesi santas eee Dee ee 
ABITS and development of a hymen- 
opterous parasite, Spalangia muscidarum 
Richardson. Studies on the............. 
Harairr, Georce T. Germ cells of coelen- 
terates. I. Campanularia flexuosa...,.... 
Harman, Mary T. Method of cell-division 
147 
421 
in the sex cells of Taenia teniaeformis..... 205 
Hitton, Witittam A. The development of 
the blood and the transformation of some 
of the early vitelline vessels in Amphibia 
Hymenopterous parasite, Spalangia muscida- 
rum Richardson. Studies on the habits 
and developmentiotiaes ssnsre cece essences 
NCLUSIONS, the refractive body and the 
‘mitochonodria:’ their origin, nature and 
role in fertilization. The spermatogene- 
sis of Ascaris megalocephala with special 
reference to the two cytoplasmic........... 
| ens RTINA. The cranial nerves of Siren 
Larvae. Further observations on the para- 
Sites Olio la WMA ee alae evens onions 
Lowrey, ANNA _ A study of the submental fil- 
aments considered as probable electric or- 
gans in the gymnotid eel, Steatogenys ele- 
gans(Btemmdachnen), 2... 2)... cre terns eave 
AMMALS. Critique of recent work on 
the morphology of the vertebrate skull, 
especially in relation to the origin of... . 
Megalocephala with special reference to the 
two cytoplasmic inclusions, the refractive 
body and the ‘mitochondria:’ their origin, 
nature and role in fertilization. The sper- 
matogenesis of Ascaris............+.eeeeee 
695 
339 
513 
421 
245 
43 
