

REPORT ON NATIONAL MUSEUM. 303 



Riley, Charles V. — A satisfactory remedy for melon -bugs, flea- 

 beetle's, &c. 



(Rural New-Yorker, Nov., 1883.) 



Probably the most satisfactory general preventive of the ravages of Dia- 

 betica vUtata aa^tl of HaHicida'. on encurbitaceous plants is Mr. P. T. Qninn's 

 method of sprinkling the vines with a mixture of tobacco water and soft 

 soap, and then dusting them with lime ; description of J. M. NiekolsoD's siphon 

 arrangement by which to keep the vines constantly moist with liquid. 



Remarks on Arzama obliquata. 



(Amer. Naturalist, Nov., 1883, XVII, p. 1169.) 



Description of the egg-mass of Arzama obliquata; colors and abode of the 

 larva; variations of the imago ; number of annual broods of this species stated 

 by author to be two, and by D. S. Kellicott to be one. 



- Hymenorus riijipes as a Myrinicophilons species. 



(Amer. Naturalist, Nov., 1883, xvn, p. 1176.) 



Corrol>oration of the statements in author's " Myrmecophilous Coleoptera," 

 (op. cif., Sept., 1882, xvi), p. 748, regarding the habits of the larva of Hy- 

 menorus rufiiies ; imagos reared from these larva; found in the nests of 

 Formica fusca ; character of the nests of the Formica ; the food-habits of the 

 Uymenorus still unknown. 



Some recent discoveries in reference to Phylloxera. 



(Amer. Naturalist, Dec, 1883, xvu, p. 1288.) 



Importance of a knowledge of the life-history of the species of Phylloxera; 

 outline of the life-history ; the several successive stages of some species have 

 now been traced ; character of the gall and place of deposit of the egg of Ph. 

 xpinosa on Gary a alba. 



The growth of insect eggs. 



(Amer. Naturalist, Dec, 1883, xvn, p. 1289.) 



Notice of J. A. Osborne's "On Growth in the Eggs of Insects" (Hardwick's 

 Science-Gossip, Oct. 1, 1883, xix, pp. 225-227), with an account of the swell- 

 ing of the eggs of Phaneroptera curvicauda ; this swelling seems to be con- 

 nected with embryological development. 



Protective device employed by a Glaucopid Caterpillar. 



(Amer. Naturalist, Dec, 1883, xvn, p. 1289.) 



Notice of a paper by Dr. Fritz Miiller (Kosmos, , vi, p. 449) ; general 



use of shed hairs by larva? of Arctiidw in the construction of their cocoons; 

 description of method in which the larva of Eunomia eagrus arranges its shed 

 hairs to form a protection for the pupa. 



The genus Colias. 



(Amer. Naturalist, Jan., 1884, xvm, pp. 74-76.) 



Review of H. A. Hageu's "Contributions from the Northern Transconti- 

 nental Survey" (Proc Boston Soc Nat. Hist., , XXII, pp. 150-178); dis- 

 cussion of the number of species of Colias in North America; plastic nature 

 and classificational characters of the genus; the logic of Haven's reasoning 

 combines all the commoner and well known forms under three well-marked 

 ppecies. 



