INDEX 



\_Na/mes of authors are printed in Clarendon type, specific names in Italics. ] 



Abderhalden, 563 sq. 



Abel and Mcllroy, 526 



Abelous, 282 



Abortion, 612 sqq. 



Abraxas grosaulariata, 639 



Acmaea, 221 



Acomys caharinus, 390 



Actinia mesembryanthemum, 8 sq., 



679 

 Acton, 283 

 Adolphi, 177 

 Agassiz, 17 



Ageniaspis juseicollis, 636 

 Ahlfeld, 369, 497 

 Akutsu, 233, 259 

 Albatross, 27 

 Albers-Schonberg, 607 

 Albertoni, 22 



Albu and Neuberg, 266, 278 

 Alcyordum digitatum, 9 

 AUbrecht, 182, 611 

 Allen, B. M., 124, 153, 168 



L. M., 545 



Allison, 214, 647 



Alquier and Thauveny, 350 



Amia, 17 



Amphibia, breeding season of, 



19 sqq. ; insemination in, 184 ; 



fertilisation in, 190 ; fertility of, 



594 sq. ; sex-determination in, 



625, 637, 651 

 Amphioxus lanceolatus, 16 

 Anasa tristis, 634 

 Ancel and Bouin, 154, 343, 579 

 Anderson. See Langley and Anderson 

 Anguis, 151 

 Annandale, 7, 22, 44 

 Annandale and Robinson, 70 

 Annelida, breeding season of, 10 sq. ; 



133, 205, 221 

 AnoBStrum defined, 36 

 Anopheles, 13 

 Ant, sex-determination in, 629 ; age 



of, 680 

 Antelope, 48, 241, 247 

 Antilocapra americana, 28, 305 



Ape, cestrous cycle in, 63 sqq. ; 



foetal nutrition in, 392, 463 



sqq. 

 Apfelstedt and Aschofl, 478 

 Aphidse, 11 sq., 216, 631 

 Arbacia, 179, 218 

 Arbacia pustulosa, 293, 300 

 Aristotle, 590 

 Arthropoda, breeding season of , 1 1 ; 



spermatozoa of, 174 ; 307 

 Arvicola, 250 

 Arvicola agrestis, 40 

 Arvicola glareolus, 40 

 Ascaris, 128 



Ascidians, fertilisation of, 207 

 Ascoli, 436, 481 

 Asliworth, 8 sq. 

 Ash worth and Annandale, 679 

 Ass, 403 

 Assheton, 110, foetal nutrition, 



372 sqq., 376, 386 sq., 390, 394 sq., 



397 sqq., 406 sq., 419 sq., 423, 



487 

 Astacus fiuviatilis, 11 

 Asterias, 134 n., 204, 220 sq., 223 



sqq. 

 Asterias forbesit, 218 

 Asterina, 223 

 Atretic follicle, 154 sqq. 

 Aves, breeding season of, 23 sqq. 



See also Birds 

 Axe, Wortley, 51, 536, 618 

 Axis, oestrous cycle in, 49 

 Axolotl, 22, 189 sq., 594 



Backhouse, 159 



Badger, gestation of, 59 n. ; 416 

 Baer, von, 143, 145 sq., 375 

 Balbiani, 631 

 Balenopiera musculus, 52 

 Balfour, 116 sq., 124, 160, 379 

 Ballowit?, 172, 175, 178, 179 sq. 

 Bang, B., 616 sq. 



I., 293 



Bar and Daunay, 498, 500, 502 sq. 

 Barasingha, 47 sq. 



2x 



