ADVERTISEMENT 



The Academy has on hand a miscellaneous stock of separates of papers 

 from the Proceedings (1898-1911). By authority of the Board of Man- 

 agers, these papers are offered for sale for a limited period at the reduced 

 prices indicated below. (Publication of these classified lists was begun on 

 March 4 and will be continued in subsequent numbers of tJ^f Journal.) 



ZOOLOGY 



(vSce aI?o lists in other numbers of the Journai,, covering general biology, ontomf)l(),L,'y, 



ichthyology, ornithology, and mammalogy.) 

 Andrews, E. A. The sperm-receptacle in the Crayfishes, Cambarus cubensis and 



C. paradoxus. 19 pp • $0 .05 



BoLKAY, Stefan. On the systematic value of Rana chinensis Osbeck. 17 pp., 



1 pl .05 



Dall, William Healey. Linnaeus as a zoologist. 3 pp .05 



EiGENMANN, Carl H. The eyes of Rhineura iloridana. 16 pp., 3 pis 0.05 



Fisher, Walter K. New Starfishes from the Pacific coast of North America. 



29 pp 0.10 



Ortmann, a. E. Mexican, Central American, and Cuban Cambari. 24 pp 0.10 



Starks, Edwin Chapin. Synonymy of the fish skeleton. 34 pp., 3 pis 0.10 



Zoologicai^ Papers from the Harriman Alaska Expedition 



n. RiTTER, Wm. E. Harrimania maculosa, a new genus and species of Enter- 

 opneusta from Alaska, with special regard to the character of its notochord. 

 22 pp .05 



III. RiTTER, Wm. E. and Crocker, Gulielma R. Multiplication of rays and 

 bilateral synunetry in the 20-rayed Star-fish, Pycnopodia helianthoides (Stimp- 

 "son). 28 pp., 2 pis 0.10 



VI, Robertson, Alice. The Bryozoa. 26 pp., 3 pis . 10 



XX. CoE, Wesley R. The Nemertians. 110 pp., 13 p!s 0.20 



XXI. Nutting, C. C. The Hydroids. 60 pp., 13 pis 0.15 



XXIII. RiTTER, Wm. E. The Ascidians. 42 pp., 4 pis 0.10 



XXX. ToRREY, Harry Beal. Anemones, with discussion of variation in 



Metridium. 38 pp., 2 pis ". . 10 



Zoological Papers from the Hopkins-Stanford Galapagos Expedition, 1898-1899 



VI. Richardson, Harriet. The Isopods. 4 pp .05 



VIII. Rathbun, Mary J. Brachyura and Macrura. 18 pp., 1 pl .05 



XII. Clark, Hubert Lyman. Echinodermata. 12 pp 0.05 



XIII. Pilsbry, H. A., and VanaTTA, E. G. Marine Mollusca. 12 pp., 1 pl 0.05 



XIV. Heller, Edmund. Reptiles. 60 pp 0.15 



Zoological P/pers from the Branner Agassiz Expedition to Brazil 



I. Rathbun, Mary J. The Decapod and Stomatopod Crustacea. 24 pp 0.05 



II. R1CHARD.S0N, Harriet. The Isopod Crustacea. 4 pp .05 



V. Dall, WiLLL-vM Healey. Mollusks from the vicinity of Pernambuco. 9 pp. 0.05 



The set of 22 zoological papers 1 . 50 



This page may be used as an order blank. Send orders with check or stamps to the 

 Corresponding Secretary, Robert B. Sosman, Geophysical Laboratory, Washington, D. C. 



