164 BIBLIOGRAPHY OF ECONOMIC ENTOMOLOGY. 



1311. BILEY, C. V. Continued. 



Summary 138 



Successful silk culture possible in this country, 138 Comparative 

 value of the different species of silkworms, 138. 



INNOXIOUS INSECTS. 



THE HORNED PASSALUS, Pasaalus cornutus 139 



Its frequent occurrence in old logs, 139 The noise produced by the 

 beetle, 139 It occurs only iii decaying wood, 140 The larva 

 and its exceptional character, 140 Description of the larva, 

 140 Previous description of Passalus larvae, 141 Description of 

 the pupa, 141. 

 THE GREAT LE OPARD MOTH, Ecpan theria scribonia 141 



Characters of the larva, 141 Food-plants, 142 Hibernation and 

 transformations, 142 The imago, 142 The larva able to resist 

 extreme cold, 143 Description of the larva, 143. 

 THE ISABELLA TIGER MOTH, Pyrrharctia Isabella 143 



Characters of the larva, 143 Food-plants, 143 Cocoon and chry- 

 salis, 143 The moth, 144 The popular name " fever- worm " in 

 the South, 144 No parasite known of this and the preceding spe- 

 cies, 144. 

 THE ACORN MOTH, Holcocera glandulella 144 



The egg laid in acorns that have been ruined by Balaninus rectus, 

 144 Habits of the larva, 144 Characters of larva and moth, 

 145 Description of imago, larva, and pupa, 145. 



1312. BILEY, C. V. Thomas Wier's apple-wom trap. <Amer. Agric., 



A.pril, 1872, v. 31, pp. 142-143, 1 fig. 

 Description and figure of Wier's apple- worm trap. 



1313. [KiLEY, C. V.] Bemarkable parasitic fungus. <Sci. Amer., 25 



May, 1872 [v. 40], n. s., v. 26, p. 347. 



Description and figure of unidentified fungus infesting the larva of the white 

 grub, Lachnosterna fusca. 



1314. BILEY, C. V. Cut- worm lion. <Coltnan's Bural World, 15 June, 



1872, fig. S.-b. No. 5, p. 47. 

 History of the larva and imago of Calosoma calidum, an enemy to cut- worms. 



1315. BILEY, C. V. Cut- worms. <Cultivator and Country Gentleman, 



20 June, 1872, v. 37, p. 392. 



Dandelions and other weeds furnish food for young cut-worms which hatch 

 in the fall; laud should be kept clear of weedg at that season. 



1316. BILEY, ,C. V. Flat-headed apple tree-borer in horse chestuut. 



<Colman's Bural World, 22 June, 1872, fig. S.-b. No. 5, p. 47. 

 Answer to inquiry of S. S*. R. ; natural history of larva and imago of Chryw- 

 bothris femorata. 



1317. BILEY, C. V. A new insect. < Western Planter, 29 June, 1872. 



S.-b. No. 5, p. 49. 



Answer to inquiry of F. Halsinger ; Nysius u. sp., very destructive to po- 

 tatoes. 



1318. BILEY, C. V. Codling - moth ; jarring down infested fruit. 



<Cultivator and Country Gentleman, 4 July, 1872, v. 37, p. 422. 



Excrement outside of the fruit indicates the exit of the \orru, with some 

 varieties ; with others the worm may be often found after the excrements 

 are visible. 



