208 Table of Contents 



PAGE. 



Dendroleon obsoletum ; a Climbing Ant-Lion 319 



Its occurrence in New York, 319. Synonymy as given by Dr. 

 Hagen, 319. The larva lives on trees, 320. Its distribution, 320. 

 Reference to its description, 320. 



INJURIOUS ARTHROPODS 321 



Bryobia pratensis, the Clover Mite 321 



Bibliography, 321. Its frequent occurrence in recent years, 321. 

 A great annoyance in infesting dwelling-houses, 321. Figure of the 

 larval form, 322. Studied by the Entomological Division at Wash- 

 ington, 322. Illustration of its structure, fig. 38. Its distribution 

 across the continent, 322. Food-plants and trees on which its eggs 

 have been observed, 322. Frequently attacks grasses and clover, 

 322. Its recent occurrence at Schodack, N. Y., 322. Found in a 

 watering trough, 322. Its place in classification, 323. Dr. Morey's 

 observations on it, 323. Observed on the stone walls of a church 

 at Ausable Forks, N. Y., 324. 



Cermatia forceps — a Household Centipede 324 



Bibliography, in addition to a former Report, 324. Illustration, 

 325. Observations of Dr. Rathvon on it, 325. Observed in Penn- 

 sylvania in 1849, 325. Probably brought from the south in express 

 packages, 325. Obtains the name of the "cockroach-killer," 325. 

 Its combats with the roach described, 325. Its habits on a study 

 table, 326. Preys, also, on the croton-bug, and how the capture is 

 made, 326. Its northward progress, 326. Feeds greedily on the 

 house-fly, 326. Is it a desirable guest? 326. Its occurrence in 

 Missouri, 326, Found in a bed, and inflicts a poisonous bite, 327. 

 Death of a child, reported, from it, 327, Effects of a bite from 

 stepping barefooted upon it, 327. Another instance of its bite 

 reported from Albany, 327. 



APPENDIX. 



(A) ENTOMOLOGICAL CONTRIBUTIONS 331 



The Insects of the Past Year and Progress in Insect Studies 331 



The more important insect attacks, and absence of ordinary 

 ones will be noticed, 331. Omission of several, named, which 

 were given in the preceding report, 331. The chinch-bug. 



