144 



REPORT OF NATIONAL MUSEUM, 1900. 



RIDGWAY, RoBKKT. Descriptions of 

 supposed new {lenera, species, and sub- 

 species of American birds, vi. — Frin- 

 gillidse. (Supplement.) 



Auk, XVII, No. 1, Jan., 1900, i)i>. 29,30. 

 Melo»pizainclo(.U<i kciuiieanis, p. 29; PassereUa 

 iliaca insidaris, p. 30, anfl P. i. annectcns, p. 30, 

 are described a.s new. 



ROSE, Joseph Nelson. Stmliesof Mexi- 

 can and Central American plants. 



Contrib. U. S. aVrt(. Herbarium, v. No. 1. 

 Oct., 1899, pp. 14,7-200. 



Three new species of Tradescantiti 



from the United States. 



Omtrib. U. S. 'Nat. Herhariaiii, v, N<i. 1, 

 Oct., 1899, pp. 204-206. 



— Trele(('Si;ti, a new genus of Com- 



melinacese. 



Contrib. U. S. j\\it. Herbarium, v. No. 4, 

 Oct., 1899, pp. 207,208. 



Notes on useful plants of Mexico. 



Contrib. U. S. Nat. Herbarium, v, No, 1, 

 Oct., 1899, pp. 209-259. 



ROSE, Joseph Nelson, and COULTER, 

 John M. A synopsis of the Mexican 

 and Central American Umbellifera?. 



Proc. Wash. Acad, iici., I, Jan. 8, 1900, \>\>. 

 111-115, pis. 3-13. 



SCHUCHERT, Charles. The Fossil 

 Field's Expedition to Wyoming. 



Science (new series), x, Nov. 17, 1899, pp. 



725-728. 



Mr. Schuchert accompanied thisexpL-dition 



as the representative of the National Museum. 



An account of hi.s trip is given in this paper. 



On the Lower Silurian (Trenton) 



fauna of Baffin Land. 



Proc. U.S. Nat. Mus., xxii. No. 1192, April 

 7, 1900, pp. 143-177, pis. xil-xiv, figs. 1, 2. 

 Descriptions of fossils gathered at the head 

 of Frobisher Bay, southern Baffin Land. This 

 locality was first noticed by Hall and the 

 place named "Silliman's Fo.ssil Mount." 

 Seventy-two species, constituting the most 

 extensive Paleozoic local collection from 

 Arctic American regions, are listed or de- 

 scribed. 



Lower Devonic aspect of the Lower 



Helderberg and Oriskany formations. 



Bull. Geol. Soc. Am., xi. May, 1900, pp. 241- 

 332. 

 This i)aper gives rea.sons for referring these 

 formations to the Devonic system instead of 

 to the Siluric as formerly. The work is largely 

 based on previous literature; the material 

 nsv(\ belongs to the National Museum. 



(See also under John M. Clakke. ) 



SIMPi=50N, Charles ToRREV. Thepearly 

 freshwater mussels of the United States, 

 their habits, enemies, and diseases, with 

 suggestions for their protection. 



Bull. U. S. Fish Com., 1898, pp. 279-2SS, 

 8 figs. 

 This paper gives an accountof the more ob- 

 viou.s shell characters and anatomy of our 

 pearly freshwater mussels, with some account 

 of their embryology, habits, and enemies. 

 Suggestions are offered for their protection 

 and propagation. 



Protective mimicry of mollusks. 



Popular Science, July, 1899, pp. 154, 1.55, 



4 figs. 



A brief iJOpular sketch of the way in wliich 



eiTtain mollusks are protected from their 



enemies by resembling their cnviroumeiit or 



other animals. 



• New and unfamiliar Unionida?. 



Proc. Acad. Nat. Sci. Pliila., 1900, pi). 74- 

 86, pis. i-v. 

 This paper contains descriptions of new 

 species of Unionidse that have come to light 

 during the preparation of a paper on the 

 "Synopsis of the Naiades." Several new 

 genera are described, and others are estab- 

 lished under old names and redefined. Most 

 of the unfigured species of Unionidae of 

 Messrs. S. H. and B. H. Wright, the tyf)es of 

 which are in the National Museum, are 

 figured. 



SMITH, Hugh M., and BEAN, Barton 

 A. List of fishes known to inhabit the 

 waters of the District of Columbia and 

 vicinity. 



Bull. U. S. Pish Com., 1898 (1899), pp. 179- 

 187. 

 This list records 81 species of fishes found in 

 the vicinity of Washington (within a radius 

 of 20 miles). It is based largely upon the col- 

 lections of the National Museum and T'. S. 

 Fish Commis.sion. Both scientific and com- 

 mon names are given, with brief noteson the 

 life histories of the more important species. 



SMITH, John B. New species of noc- 

 turnal moths of the genus ( uiiijiniiictni, 

 and notes. 



Proc. U. S. N<d. Mas., xxii. No. list, (Xt. 9, 

 1899, pp, 101-105. 



(See also under W. H. Ashmead. ) 



STANTON, Timothy W. Mesozoic fos- 

 sils [of the Yellowstone Park]. 



Monoyr. V. N. Geol. Siirv., xxxii, Pt. II, 

 Sept., 1899, pp. f)00-650, pis. 72-76. 

 Describes the Triassic, Jurassic, and Cre- 

 taceous fossils occurring in the Yellowstone 

 National Park. Based partly on Museum 

 material. 



