MUSEUM OF COMPARATIVE ZOOLOGY. 11 



*No. 1, Part II. 1. Studies from the Newport Marine Laboratory. XVI. The De- 

 velopment ■ of OSSEOUS FISHES. Part II. The Pre-embryonic Stages of 

 Development. Part I. The History of the Egg from Fertilization to Cleavage. 

 By Alexander AG.iSsiz and C. 0. Whitman, pp.40. 12 Plates. June, 1889. $2.00. 

 (Vol. XIV. to be continued.) 

 VoL XV. contains : — 



Reports on the Results of DREDGING by the 17. S. C. S. Steamer "Blake." 

 XXXI. Report on the ANNELIDS. By Ernst Ehlers. pp. vi, 335. 60 Plates. 

 October, 1887. $12.50. 

 Vol. XVI. contains : — 



No. 1. Notes on the TAXODIITM DISTICHTUM, or BALD CYPRESS. By N, S. 



Shaler. pp. 16. June, 1887. 

 No. 2. On the original CONNECTION of the Eastern and Western COAL FIELDS 

 OF THE OHIO VALLEY. By N. S. Shaler pp. 12. June, 1887. 

 (For Nos. 1 and 2, apply to Prof. N. S. Shaler.) 

 No. 3. Genesis of the ARIETID^. By Alpheus Hyatt, pp.238. 14 Plates. Decem- 

 ber, 1889. $5.00. 

 (Published in connection with the Smithsonian Institution.) 

 .Vol. XVII. contains : — 



No. 1. Immature Stages of the ODONATA. Part III. Subfamily CORDULINA. 

 By Louis Cabot, pp. 52. 6 Plates. February, 1890. $1.50. 

 (Vol. XVII. to be continued.) 

 No. 2. Reports on an Exploration off the West Coasts of Mexico, Central and 

 South America and off the Galapagos Islands, in charge of Alexander 

 Agassiz of the IT. S. Fish Commission Steamer "Albatross" during 1891, 

 Lieut. Commander Z. L. Tanner, U. S. N., commanding. 

 I. Calamocnnus Diomedse, a new stalked crinoid, with Notes on the Apical 

 System and Homologies of the Echinoderms. By Alexander Agassiz. 

 With 32 Plates. {In press.) 



In preparation : — 



Reports on the Results of Dredging Operations in 1877, 1878, 1879, and 1880, in charge 



of Alexander Agassiz, by the U.S. Coast Survey Steamer "Blake," as foUows : — 

 A. MILNE EDWARDS. Crustacea of the "Blake." In press, the Paguridse, with 12 



Plates. 

 E. EHLERS. The AnneUds of the "Blake." 

 G. B. GOODE and T. BEAN. Deep-Sea Fishes of the East Coast of the United States. 



"Blake" and "Albatross" Collections published in connection with the National 



Museum. 

 A. A. HUBRECHT. The Nemerteans. 



C. HARTLAUB. The Comatulse of the "Blake," with 15 Plates. 

 A. E. VERRILL. The Alcyonaria of the "Blake." 

 niustrations of North American MARINE INVERTEBRATES, from Drawings by 



BuRKHARDT, SoNREL, and A. Agassiz, prepared under the Direction of L. Agassiz. 

 Selections from EMBRYOLOGICAL MONOGRAPHS, compiled by A. Agassiz, W. Faxon, 



and E. L. Mark (discontinued for the present). 

 AGASSIZ and WHITMAN. Pelagic Fishes. Part II., with 14 Plates. 

 W. G. BINNEY. 4th Supplement to the Fifth Volume of Terrestrial Air-breathinr 



MoUusks of the United States. With 2 Plate."!. {In press.) 

 LOUIS CABOT. Immature State of the Odonata, Part IV. 

 S. GARMAN. The Discoboli. With 13 Plates. (In press.) 

 E. L. MARK. Studies on Lepidosteus, continued. 



,, On Arachnactis. 



W. B. SCOTT and H. F. OSBORN. White River Fossils, continued. 



* Out of print. 



