54 ANNUAL REPORT OF THE 



Vol. XXVII. 

 No. 1. Spermatogenesis of Caloptenus femur-rubrum and Cicada tibicen. 



By E. V. Wilcox, pp. 34. 5 Plates. May, 1895. 

 No. 2. On the Early Development of Limax. By C. A. Kofoid. pp. 86. 



8 Plates. August, 1895. 

 No. 3. Reports on the Dredging Operations off the West Coast of Central 

 America to the Galapagos, etc., by the U. S. Fish Commission Steamer 

 "Albatross." XVII. Birds from Cocos and Malpelo Islands, with 

 Notes on Petrels obtained at Sea. By C. H. Townsend. pp. 8. 2 col- 

 ored Plates. July, 1895. 

 No. 4. Reports on the Dredging Operations off the West Coast of Central 

 America to the Galapagos, etc., by the U. S. Fish Commission Steamer 

 "Albatross," XVIII. Die Comatuliden. Von C. Hartlaub. pp.24. 

 4 Plates. August, 1895. 

 [Vol. XXVII. to be continued.] 

 Vol. XXVIII. (Geological Series, Vol. III.) 

 No. 1. Fossil Sponges of the Flint Nodules in the Lower Cretaceous of 

 Texas. By J. A. Merrill, pp. 20. 1 Plate. July, 1895. 

 [Vol. XXVIII. to be continued.] 

 Of the Memoirs : — 

 Vol. XVII. 



No. 3. Reports on an Exploration off the West Coasts of Mexico, Central 

 and South America and off the Galapagos Islands, in Charge of Alex- 

 ander Agassiz, by the U. S. Fish Commission Steamer "Albatross," etc. 

 XII. The IIolothurioidea. By H. Ludwig. pp.183. 19 Plates. October, 

 1894. 

 [Vol. XVII. is completed.] 

 Vol. XVIII. contains : — 

 Reports on an Exploration off the West Coasts of Mexico, Central and 

 South America, and off the Galapagos Islands, in Charge of Alexan- 

 der Agassiz, by the U. S. Fish Commisson Steamer "Albatross," etc. 

 XV. The Crustacea. By Walter Faxon, pp. 292. 67 Plates, 1 Chart. 

 April, 1895. . ' 



Vol. XIX. 



No. 1. The Ctprinodonts. By S. Garman. pp.180. 12 Plates. July, 1895. 

 [Vol. XIX. to be continued.] 



