42 Bulletin 1, Biological Society of Washington, 1918. 



Descriptions of 10 new genera and 23 new species of Ichneumon- 

 flies. 



Proc. U. S. Nat. Mus. 44, pp. 555-568, Apr. 18, 1913. 



6 new species i-epresenting also 1 new genus and 1 new subgenus. 



One new genus and 5 new species of Ichneumon-flies. 

 Proc. Biol. Soc. Wash. 29, pp. 165-171. Sept. 6, 1916. 

 All from vicinity of Washington. 



OTHER INVERTEBRATES. 



The work upon invertebrates, other than insects, of the 

 District of Columbia, that has been embodied in local lists, 

 has been upon 4 groups: the rotiiers, the molluscs, the 

 spiders, and the daddy-long-legs or Phalangids. The list of 

 sliells was published in 1855 and includes 90 species; the 

 spider list of 1893 enumerated 308 species; tliat relating to 

 the daddy-long-legs in 1904, 10 species; and the catalog of 

 rotifers or wheel-animalcules of 1913, 240 species. 



BIBLIOGRAPHY. 

 Girard, Chas. 



Catalogue of recent shells and other molluscs found in the District 

 of Columbia, prepared from specimens in the cabinet of Dr. E. 

 Foreman. 



Proc. Nat. Institute, N. S., Vol. I, No. 2 (1855-6), pp. 78-82. 



Read April 16, 1855; presented for publication .lune 11, 1855. 



90 species enumerated. 



Marx, Geo. 



A list of the Araneae of the District of Columbia. 



Proc. Ent. Soc. Wash., Vol. II (1891), 1893, pp. 149-162. 



308 species recorded. It is noted that 62 undescribed species also 

 had been collected. 



Banks, Nathan. 



Phalangids in the District of Columbia. 



Journ. N. Y. Ent. Soc. XII, No. 4, Dec, 1904, p. 256. 



10 species listed. 



Harring, Harry K. 



A list of the rotatoria of Washington and vicinity, with descrip- 

 tions of a new genus and 10 new species. 



Proc. U. S. National Museum, Vol. 46, pp. 3S7-405, Pis. 34-38, 

 Dec. 31, 1913. 



246 species in all. 



