30 Moll • 
VIII. Mollusca. 
[1920] 
ETHOLOGY. 2219 
General. 
Collier, 128 ; Mestayer, 358 ; Walton, 
523. 
Movements, Locomotion. 
Jordan, 292 ,* Kjerskog-Agersborg, 
306 ; Matisse, 348 ; Robson, 428 ; 
Van Rijnberk, 508 ; Vl&s & Batthellier, 
516. 
Enemies, Defence and Protection. 
Gilchrist, 210 ; Gude, 222 ; Kjers- 
kog-Agersborg, 305 & 306 ; Lawson, 
321. 
Feeding Habits. 
Kjerskog-Agersborg, 306; Mermod, 
356 ; Mestayer, 357 ; Shroff, 464 ; 
Tatters all, 478. 
Breeding Habits. 
Crozier, 139 & 141 ; Jensen, 288 ; 
Kjerskog-Agersborg, 306 ; Mestayer, 
359 ; Orton, 388; Quick, 415 ; Sparck, 
469a ; Tattersall, 478. 
Boring Habits. 
Annandale, 5 ; Jordan, 292 ; Tomlin, 
489. 
Erosion. 
Grier, 220. 
Behaviour under certain conditions. 
Buddenbrock, 81. 
Colouration. 
Crozier, 140 ; Watson, 526. 
Luminosity. 
Berry, 55 & 56. 
Habitat. 
Boycott, 72 ; Caziot, 103 ; Cooke, 
131; Gardiner, 198; Huggins, 266; 
Jackson, & Kitchen, 280 ; Kjerskog- 
Agersborg, 306 ; Packard, 389 ; Piaget, 
404; Robson, 429; Tattersall, 478; 
Tomlin, 489. 
Adaptation to surroundings. 
Grier, 219 ; Ortmann, 386. 
Acclimatisation, Migration, etc. 
Astre, 24; Jackson, 278; Dautzen- 
berg, 157 ; Shirley, 463 ; Zwanziger, 
572. 
Hibernation and ^Estivation. 
Orton, 388 ; Quick, 415. 
Special Habits. 
Robson, 429. 
Autotomy and Regeneration. 
Crozier, 144. 
Parasitism, Commensalism, Para- 
sites, etc. 
Bregenzer, 75 ; Cawston, 95 ; Cort, 
135 ; Drz, 172 ; Faust, 183 ; Leon, 
323 ; Magath, 329 ; Manson-Bahr & 
Fairley, 331 ; Porter, 412 ; Quick, 415 ; 
Sewell in Annandale & Sewell, 14. 
Evolution. 
Douvill6, 170a ; Thomasson, 483. 
Economics. 
Annandale, 10 ; Carazzi, 91 ; Hun- 
ter, 271 ; Jenkins, 286 ; Jensen, 288 ; 
Kjerskog-Agersborg, 305 ; Packard, 
389 ; Shroff, 464 ; Tatersall, 478. 
VARIATION AND 2ETIOLOGY. 
2223 
General Treatises. 
Pelseneer, 396 ; Yung, 567. 
Teratology, Phylogeny and 
Relationship. 
Buchner, 77 ; Caziot, 105 ; Collier, 
128 ; Gigoux, 209 ; Klahn, 307 ; 
Lawson, 322 ; Pelseneer, 395, 398 & 
399 ; Roszkowski, 434, 436 & 437 ; 
Walker, 521 ; Watson, 525 ; Weber, 
530. 
Evolution. 
Grier, 219 ; Ortmann, 386 ; Pel- 
seneer, 395. 
Variation in Form. 
Boycott, 72 ; Walker, 522 ; Walton, 
524 ; Weber, 530 ; Winslow, 552. 
Variation in Colour, 
Buchner, 78 ; Gigoux, 209 ; Franz, 
189 ; Peck, 394 ; Robson, 428 ; Wins- 
low, 552 ; Zimmermann, 570. 
