302 REPORT ON NATIONAL MUSEUM. 



Riley, Charles V. — Entomology at Minneapolis. 



(Amer. Naturalist, Oct., 1883, xvil, pp. 1068-1070; Nov., 1883, xvii,pp. 1169- 

 1174.) 



Minutes of the meetings of the entomologists in attendance at the meeting 

 of the American Association for the Advancement oAScience, at Minneapolis, 

 Minn., 15-17 August, 1883 ; list of persons present; reorganizalion of the En- 

 tomological Ciuh of the A. A. A. S, ; election of officers and modification of 

 constitution thereof; ahstracts of papers read at these meetings. 



Contents further analyzed under the following captions: Edwards, W. H. : 

 Life histories of butterflies, pp. 1068-1069. — Riley, C. V. : Notes on Pce- 

 disca scudderiana, pp. 1069-1070. — Riley, C. V. : A Myrmicophilous Lepi- 

 dopteron, p. 1070. — Riley, C. V. : Remarks on Arzama obliquata, p. 1169. 

 Forbes, S. A, : The use of contagious germs as insecticides, pp. 1169-1170. 

 — Osborn, H: Bombus pennsylramcus in a deserted wren's nest, p. 1171. — 

 Hoy, P. R. : Plusiodonta compressipalpis, p. 1171. — Herrick, C. L., et al. 

 [Frost flies], pp. 1171-1172. — Osborn, H. : Food hahits of Gortyna nitela, 

 p. 1172. — Forbes, S. A.: Gall-mites, p. 1172. — S/unders, W. : Black- 

 knot, p. 1172. — Kellicott, D. S. : Notes on certain horing Lepidopterous 

 larvae, p. 1172-1174. — Riley, C. V.: Cantharis nuttalU injuring wheat, p. 

 1174. 



Notes on Pccdisca v.cudderiana. 



(Amer. Naturalist, Oct., 1883, xvn, pp. 1069-1070.) 



Remarks on the hahits of Pcedisca scudderiana, showing their variation, and 

 that the published statements of Dr. D. S. Kellicctt about them are correct 

 so far as they go ; difference between the gall of this insect and that of Ge- 

 lechia gallassolidaginis. 



A Myrmicophilous Lepidopteron. 



(Amer. Naturalist, Oct., 1883, XVII, p. 1070.) 



Larva of Helia ameriealis found in nests of Formica rufa; this is the first 

 Lepidopterous insect known to the author to develop in ants' nests in America. 



Enemies of the egg-plant. 



(Amer. Naturalist, Oct., 1883, xvn, p. 1070.) 



Extract from a letter from Dr. A. Oemler, proving that the occurrence of 

 Cassida texana and Doryphora juucta ou Solanum melongena, as recorded in 

 author's "Change of Habit; two new enemies of the Egg-plant" (op. cit., 

 Aug., 1882, xvi., pp. 678-679), was not accidental or temporary. 



Habits of Murmidius. 



(Amer. Naturalist, Oct., 1883, XVII, p. 1071.) 



List of insects found in a lot of damaged rice from South America; occur- 

 rence of Murmidius [oralis'] in vast numbers in this rice; its probable food 

 habits ; description of its cocoon ; list of families of coleoptera some of whose 

 larvae spin cocoons; habitat and abode of Mychocerus. 



Emulsions of petroleum and their value as insecticides. 



(Proc. Amer. Assoc. Advanc. Sci., for 1882, 1883, xxxi, pp. 469-470.) (Kan- 

 sas City Review of Science and Industry, Nov. 1883, v. 7, pp. 447-448.) 



Abstract of paper read before American Association for the Advancement 

 of Science at Montreal, Aug. 1882; description of modes of making emulsions 

 of petroleum to use against insects. 



