CONTENTS. XVU 



PAGB 



Stuhlmann, F. — Anatomy of Internal Male Organs of, and Spermatogenesis in 



Cypridx Part 3 394 



EathbTjN, K. — Parasitic Copepoda „ 395 



Claxjs, C. — New Lernxan „ 395 



GiARD, A. — Parasitic Castration and its influence on the External Characters of 



male Decapod Crustacea Part 4 586 



Baeeois, T. — Palxmonetes varians , „ 586 



GiAED, A., & J. BoNNiEE — Phylogeny of Bopyridsc „ 587 



KoEHLEE, R. — Muscular Fibres of Edriophthalmata „ 587 



GlAED, A. — Copepod Parasite of AmpMur a squamata „ 587 



Eawitz, B. — Green Gland of the Cray fish Part 5 748 



GiAED, A. — Castration of Decapodous Crustacea hy parasites „ 750 



Geobben, C. — Green Gland of Crayfish Part 6 950 



NusBAUM, J. — Embryology of Mysis Chamseleo „ 950 



KoEHLEE, E. — Brain of Mysis flexuosa „ 951 



Lucas, A. H. S. — Shell of Hermit-crab „ 952 



Leichmann, G. — Polar Globules in Isopoda „ 952 



Beddaed, F. E. — New Type of Compound Eye „ 952 



ScHNEiDEE, E. — Pale variety of Asellus aquaticus „ 952 



Saes. G. 0. — -Australian Cladocera „ 953 



Vermes. 

 a. Annelida; 



Kletnenbeeg, N. — Origin of Annelids from the Larva of Lopadorhynchus .. Part 1 87 



NUSBATJM, J. — Organogeny of the Eirudinea .. ,. „ 88 



Leydig, F. — Colossal Nerve-fibres of the Earthworm „ 90 



BousPiELD, E. C. — Annelids of the Genus Dero „ 90 



BouENB, A. G. — Budding in Oligochxta „ 91 



ScHAUiNSLAND, H. — Excretory and Generative Organs of Priapulidse , 91 



MiCHAELSEN, W. — Lymphatic System in Enchytrseidse „ 92 



Beegh, E. S. — Structure and Development of the Generative Organs of Earth- 

 worms Part 2 238 



VoiGT, W. — Anatomy and Histology of Branchiobdella varians „ 240 



Gheene, J. de — Priapulidse from Cape Horn „ 241 



JOTJRDAIN, S. — Muscular Fibres of Polychseta Part 3 396 



Conn, H. W. — Life-history of Thalassema 396 



Viguiee, 0. — Pelagic Annelids of the Gulf of Algiers „ 398 



Haswell, W. A. — Australian Polychseta „ 399 



EoHON, J. v., & K. A. VON ZiTTEL — Conodonts „ 400 



Wilson, E. B. — Origin of Excretory System of Earthworms Part 4 588 



Saint- Joseph, LE Baeon DE — Polychseta of Dinard „ 588 



Joyetjx-Lafpxjie, J. — Organization of Chlormmidse „ 590 



Cunningham, J. T. — Nephridia of Lanice conchilega ,. ,. „ 591 



Oeelet, L., W. B. Benham, & D. EosA — Criodrilus lacuum „ 591 



ScHAUiNSLAND, H. — Anatomy of Priapulidse „ 592 



Chwoeostanskt, C. — Development of Ovum of Eirudinea Part 5 750 



Beddaed, F. E. — New Genus of Lumhricidx 751 



ScHAEFF, E. — Ctenodrilus parvulus 751 



BousFiELD, E. C. — Natural History of the Genus Dero , 752 



JouEDAN, C. — Histology of the Integument and Sensory Appendages of Hermione 



hystrix and Poly noe Grubiama ,, 752 



Joyeux-Laffuie, J. — Chlorsema Dujardini and Siphonostoma diplochaitos . . „ 753 



Beddaed, F. E. — Anatomy of Earthworms Part 6 953 



„ „ New Species of Earthworm , . , . „ 954 



DuTiLLEUL, G. — Anatomy of Eirudinea Mynchobdellida „ 954 



1887. h 



