174 



CONTENTS. 



Page 

 Neotalia loligo Hapckcl 290 



PHYSOPHOniDAB 291 



Physophora Forskai 292 



hydrostatica Forsk&l . . 293 



Anthophysidae 294 



Anthophysa Brandt 295 



rosea Brandt 296 



Rhodaliidae 300 



Uromalia, gen. nov. 303 



alexandri, sp. nov. . . . 303 



Angelopsis Fewkes 309 



dilata, s]). nov 310 



.•VUROPHORE AND ZONE OK PROLIFERATION 



IN THE Rhodaliidae 313 



Distribution of the Rhodaliidae . . . 316 



Rhizophysall^e 317 



Rhizophysidae 317 



Rhizophysinae 317 



Rhizophysa Poron and Losucur . . . 318 

 filiformis (For.skai) . . .319 

 eysenhardtii Gegenbaur . 320 



Epibulinae 320 



Bathyphysinae 320 



Bathyphysa sp.? 321 



Physaliidae 321 



Physalia Lamarck 322 



utrioulus (La Martiniere) . . 323 



Chondrophorae 323 



Porpitidae 323 



Porpema Haeckel 324 



prunella (Haeckel) .... 325 



Page 



Porpita Lamarck 329 



pacifica Lesson 33:{ 



Velellidae 341 



Velella Lamarck 341 



lata Chamisso and Eysenhardt . 343 

 SYNOMYMICAL LLST OF SPECIES 

 NOT COLLECTED BY THE "ALBA- 

 TROSS " 346 



DOUBTFUL SPECIES 354 



EUDOXIDS NOT CONNECTED WITH 



A PARENT SPECIES 356 



GEOGRAPHICAL DISTRIBUTION . . 357 



The tropical Pacific 357 



Comparison between Pacific, Malaysian, 



and Indian species 362 



Comparison between the species of the 



Indo-Pacific and Atlantic regions . 364 

 Oceanic temperatures and their rela- 

 tion to distribution 309 



The eastern and western sides of the 



tropical and subtropical Atlantic . .371 

 Seasonal fluctuations in horizontal dis- 

 tribution . . . 376 



Bathymetric range 376 



Seasonal fluctuations in vertical distri- 

 bution 3S0 



Sahnity in its relation to distribution . 380 

 TABLE OF DISTRIBUTION .... 381 

 GENERAL CONSIDERATIONS . . . 380 



BIBLIOGRAPHY 390 



EXPLANATION OF PLATES 



