398 



REVISION OF THE TENE1SRIONIILE OF AMERICA, &C. 



H. tumescent, Lee, New Species, 134. 



A species differing abundantly from our only other species of oval convex form, in the 

 sides of the thorax being sub-angulatc. It resembles aureus, Germ., in form. The broadest 

 portion of the thorax is in front of the middle, in cerem nearer tin; base. 



Length .42 inch. 



California. Collection of II. Ulke. 



The following species are describsd in the books, and from the very short descriptions 

 are not recognisable. 



II. a m erica n u s, Beauv. Ins. 122, pi. 30, fig. 6. 

 II.? tristis, Beauv. Ins. 157, pi. 80b, dg. 1. 



The former may possibly be II. undulatus, Lee, while the latter does not appear to 

 belong to the genus. 



TRIBE XXXI MERACANTHINr. 



A single genus represents this tribe in our fauna. 



MERACANTHA, Kirby. 



Meracautha, Kirby, Faun. Bor. Amer. p. 2ii7. 



M. contraeta, Beauv. (Helops) Ins., p. 132, pi. !!(), fig. (!; eanadeneis, Kirby, (Meraoantha) 1. c.; twnidus, 

 Mels., (Helops) Pi'oe. Acad. :S, 01. 



A common species found over a large part of our eastern regions. Color dark bronze, 

 shining. Head deeply inserted, antenna; long, slender, scarcely thicker at tip. Anterior 

 portion of presternum very short. Anterior femur with an obtuse tooth. 



Length .44— .50 inch. 



TRIBE XXXII STRONGYLIINI. 



STRONGYLITTM, Kirby. 



Strongylium, Kirby, Trans. Linn. Soc. XII, p. 417. 



Two species of this genus are known to American students. 



8. tenui colic, Say, (Helops) Journ. Acad. Ill, 07; Lac. (Strong.) Genera V, 487. 



Tborax quadrate or longer than wide. Antenna; slender, last joint yellowisb. 



Length .56 inch. 



Middle; and Western States. 



S. tcrrainatuin, Say, (Tenebrio) Journ. Acad. V, 211; Lao. (Strong.; Genera V, 487. 



Thorax broader than long, with a shallow longitudinal median groove. Antenna; as 

 in tenuicolle. 



Length .46 inch. 

 Western States. 



