37 



Since my last report the following Contributions from the Zoo- 

 logical Laboratory, Nos. XXXVIII.-XLI. have been published : — 



XXXVIII. A Method of Orienting Small Objects for the Micro- 

 tome. By W. McM. Woodworth. Bull. Mus. Comp. Zool., Vol. XXV. 

 No. 3, pp. 45-47, December, 1893. Reprinted in The American 

 Monthly Microscopical Journal, Vol. XV. No. 5, pp. 129-132. May, 

 1894. 



XXXIX. On Some Laws of Cleavage in Limax. A Preliminary 

 Notice. By C. A. Kofoid. Proc. Amer. Acad., Vol. XXIX. 

 pp. 180-203. 2 Pis. February 25, 1894. 



XL. Studies in Morphogenesis. II. Regeneration in Obelia and 

 its Bearing on Differentiation in the Germ-Plasma. By C. B. Daven- 

 port. Anatomischer Anzeiger, Bd. IX. No. 9, pp. 283-294. With 6 

 Figures. February 15, 1894. 



Also, " Nachtrag zu dem Aufsatze, von C. B. Davenport (No. 9, 

 p. 283)." Ibid., No. 12, pp. 391, 392, Fig. 5. April 14, 1894. 



XLL The Origin of the Endocardium in Bony Fishes. By A. T. 

 Holbrook. Bull. Mus. Comp. Zool., Vol. XXV. No. 7, pp. 79-97. 

 5 pis. August, 1894. 



Three numbers of the Contributions are now in the press, and 

 will be issued soon, viz. : — 



1. On the Cell Lineage of the Ascidian Egg. A Preliminary Notice. 

 By W. E. Castle. 2 Pis. 



2. On the Blastodermic Vesicle of Sus scrofa domesticus. By A. 

 W. Weysse. 4 Pis. 



3. On the Introitus Vaginae of certain Muridaa. B} T G. S. Miller, 

 Jr. 1 PL 



There are five more numbers for the Contributions, aggregating 

 some two hundred or three hundred pages and upward of twenty 

 plates, for the publication of which arrangements have not yet been 

 made. 



Besides the Contributions, some other productions by members 

 of the Department have been published, or are well under way. 



Dr. W. McM. Woodworth has published in the Bull. Mus. Comp. 

 Zool., Vol. XXIV. No. 4, a Report on the Turbellaria of the 

 " Albatross " Expedition in charge of the Director of the Museum 

 during 1891. 



The English translation of the first part of Korschelt u. Heider's 

 " Entwicklungsgeschichte der wirbellosen Thiere," with additions 



