LeConte. 



CALAXDRINI. 333 



be known with certainty. Di*. Horn mentions that from time to time o'her 

 species liave been introduced by ships from tropical ports, but fortunately 

 they have not yet become naturalized. 



1. C. oryzae Fabr., Syst. El. ii, 438, &c. ; Horn, 1. c. 430; CurcuUo ory- 

 zcB Linn. Araoen. Acad, vi, 395, «&c. ; Ehynchophorus oryzw Herbst. Kiifer, 

 vi, 18, Tab. 60, f. 9; Sitophilus oryzce Gyll. , Sch. Cure, iv, 981, (cum sy- 

 non. and bibliograpliia). 



Found in every part of tlie globe; universally distributed by commerce, 

 and said to have been originally derived from Asia; it aftects rice, wheat, 

 and Indian corn (maize). The surface is dull, and the prothorax densely 

 punctured; the elytra are usually ornamented with four red spots, but are 

 sometimes red, witli the suture, side margin and tip darker. 



2. C remotepunctata Horn, Pr. Am. Phil. Soc. 1873, 430; Sitophilus 

 rem. Gyll., Sch. Cure, iv, 979. 



Atlantic district, extending into Arizona. The surface is somewhat shi- 

 ning, and the prothorax is more coarsely and less denselj' punctured. 



3. C. g-ranaria Fabr., Syst. El. ii, 437; Oliv., 83, p. 95; Tab. 16, f 196, 

 &c. ; CurcuUo granarius Linn., Fn. Suec. 587; Syst. Nat. 12th, ii, 608, 

 &c. ; Sitophilus granamos GyU., Sch. Cure, iv, 977, cum synon. plur. 



Missouri, depredating on wheat; C V. Ri'ey. Very similar to the pre- 

 ceding, but the punctures of the prothorax are smaller, and the striie of the 

 elytra much finer and less coarsely punctured. 



Subfamily II. RHINID^. 



This subfamily corresponds nearly if not exactly with Lacordaire's tribe 

 Sipalides, and the essential differences between it and the Calandridw are 

 in the position of the buccal opening which is entirely at the end of the 

 beak, not extending upon the under surface; the pygidium is not large and 

 perpendicularly declivous as in the last subfamily, but covered by the ely- 

 tra, which are conjointly rounded at tip; another character also separates 

 it from Calandridce (though not from Lacordaire's tribes Stromboscerides, 

 and OxyrJiynchides, which are not represented in our fauna, and are un- 

 known to me in nature) ; the eyes are strongly granulated, very large, and 

 confluent on the under surface of the head. 



In nearly all the genera mentioned by Lacordaire, the mandibles are con- 

 vex on the inner face, and the apical teeth are everted, though this is pro- 

 bably a group or generic character as in certain tribes of Calandridce. The 

 club of the antennge varies in form according to genus, and is not annulated. 

 The tarsi also vary, the third joint being narrow in some genera, wide and 

 bilobed in others. 



But one representative occurs in our fauna, Avhich indicates a new genus; 

 allied to Ehina and Harpacterus- 



YUCCABORUS n. g. 

 The body is elongate, glabrous, subcjiindrical, resembling in appearance 

 a gigantic Cossonide; the beak is straight, as long as the prothorax, usually 



