Contents. 



rri'face 1 



introduction 4 



Gnneral Part 15 



Chapter I. General terminology. With a discussion 



of the general morphology of the limbs .... 17 

 Cha])ter II. Contributions to our knowledge of the 



natural system of the Ostracods (>2 



Chapter III. Contributions to our knowledge of the 



Oslracod's adaptation to a planktonic life . . . lu'.l 

 Chapter IV. Brooks law. With a general deseriptina 

 of the post-embryonal development of a few spe- 

 cies of Cypridiniformes and Halocypriformi's 12:i 



Special Part I'.'.l 



Ostraroda 151 



Cypridiniformes 1.59 



Cypridinidae 174 



Cypridininae 179 



Gigantocypris 198 



Mnlleri 202 



„ ., var. minor 219 



Cypridina, genus 222 



Doloria 223 



Cypridina (Doloria) levis 225 



pectinata 237 



\'argula 245 



Cypridina (Vargula) norvegica 248 



,, antarctica 26fi 



,, megalops 269 



Macroeypridina 280 



Cypridina (.Macroeypridina) castanea 281 



Siphonostra 298 



Cypridina (Siphonostra) spinifera 300 



Cypridina, sub-genus 313 



Cyridina (Cypridina) serrata G. W. Muller, 



var. affirmans n. var. ... 317 



Monopia 331 



Cypridinodes 331 



.Monof)ia (Cypridinodes) acuminata 334 



Philoniedlnae 348 



PhiloDiedes, genus 368 



Phj'uedes, sub-genus 381 



Philomcdes (Philomedes) globosa 381 



I-^illjeborgi 402 



Bugeniae ',in 



„ „ rotunda ', i ', 



Scleroeonclia ily 



Philomedes (Seleroeom ha) Apiielliifi 419 



Asteropidae 430 



.A.sterope 44.5 



ipiinquesetae 470 



spinifera 47c, 



., . Miilleri 483 



var. longisela 491 



Oliliiii 493 



curta 498 



,, aberrata 504 



,, Grinialdi 510 



var. vicina 518 



oiulala .' 523 



norvegica '. 527 



,, abyssicola 535 



Cyclasterope . 540 



,, fascigera 542 



Halocypriformes 555 



Halocypridac 555 



Conchoecinae 568 



Halocypris 581 



,, brevirnstris .584 



Conchoecia 601 



Spinifera-group 614 



Conchoecia oblonga 617 



Klegans-group 624 



Conchoecia elegans 624 



Daphnoides-gi'oup 636 



Conchoecia Chuni 636 



Obtusata-group 640 



Conchoecia obtusata 640 



„ ,, var. antarctica 647 



Rotundata-group 648 



Conchoecia rotundata 649 



,, isocheira 658 



Curta-group 661 



