376 JOHN HAMILTON, M. D. 



Smicronyx corniculatus, abundant on Ambrosia, and is the species men- 

 tioned as griseus (Can. Ent. xviii, 114) ; niorio, is also abundant, and is the 

 tychoides mentioned 1. c. ; the other species are not uncommon. 



Endalus ovalis, not rare, on alluvial places, 



Tanysphyrus lemnse, abundant on Lemna. 



Otidocephalus myrmex and chevrolatii, abundant ; Isevicollis, common on 

 hickory ; scrobicollis, not common on black oak. May ; 0. perforatus, one ex- 

 ample, near St. Vincent. 



Mag-dalis barbita, pnnilura and ^wJlida common, and breed in white elm : olyra. 

 abundant, breeds in hickory ; I have seen examples of a green species taken 

 here on spruce. 



Tachypterus quadrigibbus, abundant on Cratsegus. 



Anthonomus profundus, not common, July; nebulosus h^mA sutnralis. common 

 on Cratsegus, plum, etc., April to June; sycophanta, not rare, on willow in 

 swamps ; flavicornis, not rare, on Hypericum prolif., Cornus and Crafsegus, in 

 valleys ; corvulus. common on Vaceineum. especially stamineum, May to June : 

 musculua, not rare, also on Vaceineum ; signatus, abundant on Eosacese, etc. ; 

 scutellatus, rare, on walnut. 



Anthonomopsis mixtus, common on Cridiegus. 



Pseudanthonomus cratsegi, common cm wild cherry, Cratsegus, etc. ; incipietis, 

 common on Kalmia going out of bloom, etc., June. 



Blleschus scanicus, found on willow once abundantly, and mentioned as bi- 

 pwnctatns (Can. Ent. xvi, 106) ; ephippiatus, common on willow sprouts from 

 stumps. 



Orchestes ephippiatus and niger, common on willow on river-beach ; palli- 

 cornis, less common ; armatus, one example, on hickory, the type, and now in 

 Dr. Dietz's cabinet. 



Acalyptus carpini, not rare, on bushes. May. 



Prionomerus calceatus, not common. 



Piazorhinus scutellaris, common by beating; pictus, not rare, on oak, etc., 

 June. 



Thysanocnemis. — The species are not common. 



Gymnetron tetrum, abundant, breeds in mullen seed. 



Miarus hispidulus, breeds in pods of Label, syphilit. 



Lsemosaccus plag-iatus, not rare, by beating. 



Conotrachelus juglandis, common on walnut and hickoiy ; nenuphar, abun- 

 dant ; retentus and seniculus. not common ; elegans, common on hickory, on the 

 leaves of which the larvae live ; cratwgi, abundant on Cratsegus ; posticatus, 

 common, bred from fruit of Cratsegus; geminatus, not common, by beating 

 Ambrosia trifol. ; cribricoUis, rare ; anaglypticus, common. 



Rhyssematus palmacollis, not common ; lineaticollis, not rare, breeds in pods 

 of Asclepias ; sequalis, not rare, by beating Ambrosia trifida, August. 



Microhyus setiger, not common at St. Vincent. 



Acales sordidus, not common here, more abundant near the mountains, The 

 single ty])e of sordidus was from Texas, and differs by description so greatly 

 from the insects found here as to have induced me to describe it under the 

 name curtiis. It is found under stones in April, and by beating in July. 



Tyloderma foveolatum, abundant, breeds in Oenothera biennis. July to August ; 

 frugrarise, rare ; sereum, not common. 



