88 BULLETIN 193, UNITED STATES NATIONAL MUSEUM 



Proc. 

 No. 



1136. Observations on the Astacidae in the United States National Museum and 



in the Museum of Comparative Zoology, with descriptions of new species. 

 By Walter Faxon. Pp. 643-694, 9 pis. Feb. 17, 189S. 



1137. A revision of tropical African Diplopoda of the family Strongylosomatidae. 



By O. F. Cook. Pp. 695-708. Mar. 8, 1898. 



1138. American leaf-hoppers of the subfamily Typhlocybinae. By Clarence P. Gil- 



lette. Pp. 709-773, 149 figs. Apr. 20, 1898. 



1139. Revision of the deep-water Mollusca of the Atlantic coast of North Amer- 



ica, with descriptions of new genera and species. Part I. — Bivalvia. By 

 Addison E. Verrill and Katherine J. Bush. Pp. 775-901, 27 pis. June 15, 

 1898. 



Volume 21 



Proceedings of the Unted States National Museum, vol. 21. Pp. i-xiii (title page, 

 advertisement, table of contents, and list of illustrations) ; pp. 1-901 (Proceed- 

 ings papers 1140-1178); pp. 903-933 (index); 105 figs., 89 pis. 1899. 



1140. Contributions toward a monograph of the lepidopterous family Noctuidae of 



boreal North America. A revision of the species of Acronycta (Ochsenhei- 

 mer) and of certain allied genera. By John B. Smith and Harrison G. 

 Dyar. Pp. 1-194, 22 pis. Nov. 17, 1898. 



1141. Descriptions of the species of Cycadeoidea, or fossil cycadean trunks, thus 



far determined from the Lower Cretaceous rim of the Black Hills. By 

 Lester F. Ward. Pp. 195-229. Oct. 29, 1898. 



1142. On some new parasitic insects of the subfamily Encyrtinae. By L. O. How- 



ard. Pp. 231-248. Oct. 4, 1898. 



1143. On the coleopterous insects of Galapagos Islands. Bj' Martin L. Linell. Pp. 



249-268. Oct. 4, 1898. 



1144. The birds of the Kuril Islands. By Leonhard Stejneger, Pp. 269-296. Oct. 



4, 1898. 



1145. Description of a species of Actaeon from the Quaternary bluffs at Spanish 



Bight, San Diego, California. By Robert E. C. Stearns. Pp. 297-299, 1 fig. 

 Nov. 2, 1898. 



1146. Report on a collection of Japanese Diptera, presented to the U. S. National 



Museum by the Imperial University of Tokyo. By D. W. Coquillett. Pp. 

 301-340. Nov. 4, 1898. 



1147. Notes on the mammals of the Catskill Mountains, New York, with general 



remarks on the fauna and flora of the region. By Edgar A. Mearns. Pp. 

 341-360, 6 figs. Nov. 4, 1898. 



1148. Topaz crystals in the mineral collection of the U. S. National Museum. By 



Arthur S. Eakle. Pp. 361-369, 22 figs. Nov. 10, 1898. 



1149. Notes on Cytherea (Tivela) crassatclloldes Conrad, with descriptions of many 



varieties. By Robert E. C. Stearns. Pp. 371-378, 3 pis. Nov. 10, 1898. 



1150. On the occurrence of Amphinma, the so-called Congo snake, in Virginia. By 



Hugh M. Smith. Pp. 379-380. Nov. 10, 1898. 



1151. Description of a new species of spiny-tailed iguana from Gautemala. By 



Leonhard Stejneger. Pp. 381-383. Nov. 10, 1898. 



1152. Cambrian Brachiopoda: Obolus and Lingulella, with descriptions of new 



species. By Charles D. Walcott. Pp. 385-420, 3 pis. Nov. 19, 1898. 



1153. A revision of the wrens of the genus Thryomancs Sclater. By Harry C. Ober- 



holser. Pp. 421-450. Nov. 19, 1898. 



1154. American oniscoid Diplopoda of the order Merocheta. By O. F. Cook. Pp. 



451-468, 4 pis. Nov. 19, 1898. 



1155. The osteology and relationships of the family Zeidae. By Edwin Chapin 



Starks. Pp. 469-476, 6 pis, Nov, 21, 1898, 



1156. A contribution to the knowledge of the variations of the tree frog Hyla 



regilla. By Frederick Cleveland Test, Pp, 477-492, 1 pi. Nov. 19, 1898, 



1157. Japanese Hymenoptera of the family Tenthredinidae, By C. L Marlatt. Pp. 



493-506. Nov. 21, 1898. 



