6 BULLETIN 41, UNITED STATES NATIONAL MUSEUM. 



22. 



1851. GiKAKi), CHAia.KS. Description of a new I'laiiaria and a uew NciucrteH from 

 the Coast of Florida. 

 ProceedhKjH Boston Society of Xaiural Mistori/, iv, 137. 1851. 



Thysanozoon nigrum, ii . s 137 



Cape Florida, L. F. Pourtales. 



Meclcelia atra, ii. .s 137 



Cape Florida, L. F. Pourtales. 



23. 



1851. (fiRAKn, CiiARi.KS. Mammalia. IconograpliicEncyclopmVia of Science, Litirature, 

 and Arts. New York, S^>. 1851. (See. No, 25.) 



24. 



1851. GiRARD, Charles. On the Classification of Mammalia. 



Proceedings of American Association for Advancemen t of Science, iv, 319-35. 1851. 



Two schematic plates represent, one, the classification of maniinalia from a l)iological point 



of view; the other illustrates the historic development of that class through geological eras. 



25. 



1851. Girard, Charlks, with Spencer F. Baird and others. Outlines | of | Gen- 



eral Zoology I "Mammals," Charles Girard | "Birds," John Cassin | "Rep- 

 tiles," Spencer F. Baird | " Fishes," Spencer F. Baud | "Invertebrates," S. S. 

 Haldeman | — | Reprinted from the Iconographic Encyclopjedia | of Science, 

 Literatnre, and Art | — | New York: | Rudolph Garriciue, Publisher | 2 Bar 

 clay St., Astor House | 1851. | 8vo. 502. 1851. 



This extract constitutes the zoological portion of th(! work entitled "Iconograpliic Ency- 

 clopanlia * * "," specially compiled and rewritten, with special reference to adaptation to 

 this country. 



Section relating to mammalia, ])p. 392-5(12, contains a full classification of the group, with 

 a special chapter on Geographical Distrihution of Mammalia, p. 498. 



26. 



1852. Girard, Charles. Contributions to the Natural History of the Fresh-water 



Fishes of North America. I, Monograph of the Cottoids, with 3 plates. 

 [Smithsonian Contributions to Knoivledjje, vol. iii.] 1852. 4to. 



CoTTi's. Artedi 33 



Cottus Ricfiardgoni, Agass., pi. i, figs. 1-2 39 



Northern shore of Lake Superior, Agassiz. 



Cottus cognatus, Richards 41 



Cottun Wilnoni, n. s., pi. i, figs. 3, 4 42 



French Creek, Pa., L. D. "Williams ; Alleghany River, Professor Baird. 

 Cottun Bairdi, Grd., pi. i, figs. 5, 6 44 



Mahoning River, Professor Baird. 

 Cottus A Ivordi. n. s., pi. i, figs. 7, 8 46 



Lake Huron, Major Alvord. 

 Oottus meridionalis, Grd., pi. i, figs. 9, 10 47 



.Tames River, Va., Rock Creek, District of Columhia. 

 Oottus gracilis. Heck., pi, i, figs. 11, 12 49 



Massachusetts, Connecticut, and New York States. 

 Cottus i:iseosus, Hald., pi. ii, figs. 1, 2 51 



Reading and Carlisle, Pennsylvania, Professor Baird; Rohrersville, Maryland ; 

 Rock Creek, District of Columbia. 

 Cottus Franklini, Agass., pi. ii, figs, 5, 6 53 



Southern and eastern shores Lake Superior, Agassiz. 

 Cottus gobioideg, Grd,, pi, ii, figs. 3, 4 55 



Lamoille River, Ransom Colberth. 



