rVCNOGONIDS 297 



Pycnogonids. Stud. Biol. Lab. Johns Hopkins Univ., vol. 

 V, NO. I, pp. 1-76, pis. I-VIII. 



1891^ The Relationships of the Sea-Spiders. Biol. Lect. Marine Biol. 

 Lab. for 1890, pp. 142-167 (Boston). 



Nutting, C. C. 



1901 Papers from the Harriman Alaska Expedition, xxi — The Hy- 

 droids. Proc. Wash. Acad. Sci., vol. in, pp. 157-216, pis. 



XIV-XXVI. 



Ortmann, a. E. 



1891 Bericht liber die von Herrn Dr. Doderlein in Japan gesam- 

 melten Pycnogoniden. Zool. Jahrb., Abth. f. Syst., Bd. v, 



pp. 157-168, pi. XXIV. 



1901 Crustacea and Pycnogonida Collected during the Princeton 

 Expedition to North Greenland. Proc. Acad. Nat. Sci. 

 Phila., 1901, pp. 144-168. 



Rathke, H. 



1799 Naturh. Selsk. Skrifter, vol. v. 



Sars, G. O. 



1888 Pycnogonidea borealia & arctica (Prodromus descriptionis), 



Arch. f. Mathem. & Naturvid., Bd. xii, pp. 339-356. 



1891 Pycnogonidea, The Norwegian North-Atlantic Expedition, 

 1876-1878. Zoology, vol. VI, pp. 1-163, pis. i-xv. 



Say, Thomas. 



1 82 1 An account of the Arachnida of the United States. Jour. 

 Acad. Nat. Sci. Phila., 1821, vol. 11, pp. 59-82. 



SCHIMKEWITSCH, W. 



1889 Sur les Pantopodes recueillis par M. le lieutenant G. Chierchia 



pendant le voyage de la corvette Vettor Pisaiii en 1882- 

 1885. Atti della R. Accad. dei Lincei, Mem.(4), vi, pp. 329- 

 347 (i plate). 



1893 Compte-Rendu sur les Pantopodes. Reports on the dredging 



operations carried on by the U. S. Fish Commission 



steamer Albixtross during 1891, etc., viii. Bull. Mus. Comp. 

 Zool., vol. XXV, pp. 27-43, pis. I, II. 



1895 Sur les Pantopodes de I'ocean glacial et de la mer blanche. 

 C. R. Soc. Natural. St. Petersb., Nos. 3, 4, pp. 33-49, 52-56. 



Stimpson, William. 



1854 Synopsis of the Marine Invertebrata of Grand Manan or the 

 Region about the Mouth of the Bay of Fundy, New Bruns- 

 wick. Smiths. Contr. to Knowl., vol. vi, pp. 37, 38. 



1864 Descriptions of new species of Marine Invertebrata from Puget 

 Sound, collected by the Naturalists of the North-west Boun- 

 dary Commission, A, H. Campbell, Esq., Commissioner. 

 Proc. Acad. Nat. Sci. Phila., 1864, pp. 1 53-161. 



