55 



Dacoderus from the island of Santo Domingo, p. 219. [Nov., 

 1876.] 



Describes Dacoderus dominicenns n. sp., compared with D. strialiceps; 

 bearing of its occurrence on geographical distribution. 



* 811. G. H. Horn. Synopsis of the species of Cymato- 

 dera and Trichodes of the United States, p. 220-232, fig., 

 with fig. 1-17, 27, 28 of pi. i. [Nov., Dec, 1876.] 



Defines synoptically 1 7 and describes the 20 species of Cymatodera; 

 known, with bibliography; defines synoptically the (6) species of Trichodes 

 describes as new: Cymatodera Xanti from ('ape San Lucas, C. Belfragei 



from Texas, C. obllla from Arizona, C. and C. from Texas, 



Trichodes illustris (fig.) from Arizona =: 6 n. spp. Figures the special char- 

 acters of Elasmocerux terniinatus. 



* 812. G. H. Horn. The sexual characters of North 

 American Cicindelida^ with notes on some groups of Cicindela. 

 p. 232-240, fig., with fig. 18-26 of pi. i. [Dec, 1876.] 



" The present paper is the first of a series in which the sexual characters 

 of each genus in our fauna will be fully exposed, and noticing at the same 

 time any special characters whether sexual or not, likely to prove useful to 

 the systematist." Describes the sexual characters of the family and of 

 Amblycliila, Omus, Tetracha, Cicindela; habits of Amblychila; defines 

 synoptically several closely similar species of Cicindela. Describes C, 

 Schauppii n. sp. from Texas. Figures tlie special characters of Calosoma 

 Sayl. 



* 813. G. H. Horn. Notes on some Coleopterous Re- 

 mains from the bone cave at Port Kennedy, Penna. p. 241— 

 245. [Dec, 1876.] 



PaliBontologic significance of the present geographical distribution of 

 some Coleoptera; describes Cijchrus Wheatleyi, C. (witior), Pterostichus 

 sp., P f sp., Cymindis aurora, Cldaenius punctulalus, Dicaelus alutaceus, 

 D. sp., Choeridium f eheuinum, Plianaeus antiquus, Aphodius precursor := 

 11 n. spp. obtained from masses of clay found in a cave containing mamma- 

 lian remains belonging to the Post-Pliocene period. 



* 814. G. H. Horn. Synoptic tables of some Genera of 

 Coleoptera with notes and Synonymy, p. 246-252. [Dec, 

 1876.] 



Defines synoptically the (9) species of Elaphrus, (7) Notiophilus, (4) 

 Blethisa, (10) Carabus, (1) Perigona, (3) Pogonus, (3) Hydrocharis, (8) 

 Tropisternus, from own MSS. and those of G. R. Crotch, with generic and 

 specific synonymy of several Carabidae, Dytiscidae and Hydrophilidae ; 

 adds Anthrenus claiu'r/er^ A. sci'ophulariae, Aylenus hrunneus, Pyauisia 

 opaca, Zophohas morio to the list of N. A. Coleoptera, and excludes Dytis- 

 cus latissimus. [See Rec, No. 802.] 



