BIBLIOGRAPHY. 103 



Jenaische Zeitsohrift piiR Naturwissensohapt, N. S., Vol. V., 

 Part 4 :— 



Action of Light and Heat on Swarm-spores. By Pr. E. Strasburger. 

 On Polyembryony. By Dr. E. Strasburger. (5 plates). 



MoRPHOLOGiscHES Jahrbuch, Vol. IV. (Parts 1-3 and Supp.) : — 



Anatomy of Isis Neapolitana, nov. sp. By G. v. Koch. (1 plate.) 

 Observations on the Synonymy of Isis elongata, Esper, ■with Isis Neapolitana. 

 By G. V. Koch. 



Contributions to the Anatomy of Chiton. By Dr. H. v. Ihering. (1 plate.) 

 Observations on Neomeuia and on the Amphineura in general. By Dr. If. 

 V. Ihering. 



Contributions to the knowledge of the Formation, Fecundation, and Division 

 of the Animal Ovum. Part III. By Dr. O. Hertwig. (6 plates.) 



Communications on Gorgonia verrucos'i. Pall. By G. v. Koch. (1 plate.) 

 On the Degeneration of the Visual Organs in Arachnida. By Ant. Stecker. 

 (1 plate.) 



On Gloidium qmidrifidum ; a new Genus of Protista. By Prof. N. Sorokin. 

 (1 plate.) 



The Skeleton of the Alcyonaria. By G. v. Koch. (2 plates.) 

 Communications on the Ccelenterata. On the Phylogeny of the Antipathidce. 

 By G. V. Koch. (1 plate.) 



On the Origin and Development of the Elastic Tissue. By Dr. L. Gevlach. 

 (2 plates.) 



Minor Communications, 4'c. — Are the Segmental Organs of the Annelida homo- 

 logous to those of the Vertebrata ? A Keply to Dr. Fiirbringer. By C. Semper. — 

 Muscle-epithelium in Authnzoa. By Dr. O. Kling. (Preliminary communica- 

 tion.] — Eeview of H. Grenadier's Kesearches on the Anthropod Eye. 



Zeitsohrift fur Wissenschaftliche Zoologie, Vol. XXXII., 

 Part 1 (issued 19th December, 1878):— 



On -the Sexual Organs of the Cephalopoda. First contribution. (4 plates.) 

 By J. Brock. 



Researches on the Structure and Development of Sponges. Sixth communi- 

 cation : The Genus Spongelia. (4 jjlates.) By F. E. Schulze. 



Studies on the Anatomy of Respiratory Organs. 1. The Anatomy of the Gill 

 of Serpiila. By L. Lowe. (1 plate.) 



MONATSBERICHT DER KoNIGLICHEN PrEUSSISCHEN AkADEMIE DER 



WissENscHAFTEN zu Berlin* (1878, February): — 



On the Reflexion of Light by the Surfaces of small Crystals. By Herr 

 Websky. (Concluded, with a plate, in the July-August number.) 



March : — 



The Nerve-system of the Chsetognatha. By Prof. Langerhans. 



April : — 



On the Specific Heat of Animal Tissue. By Prof. Rosenthal. 

 Summary of Arachnida collected in Mozambique. By Dr. F. Karsch. (2 plates, 

 containing microscopic details. ) 



May:— 



Investigations of Absorptive-spectra (of Inorganic and Organic Bodies). By 

 Herr H. W. Vogel. (2 plates.) 



* These will be referred to hereafter as ' Monatsbericht — Berlin Academy.' 



