NELEITS. — EHODOCANTHOPUS. 15 



2. Neleus interstitialis. 



Passalus interstitialis, Eschscholtz, Nouv. Mem. Moscou, i. p. 13 ; Percheron, Monogr. des Passales, 



p. 73, t. 5. f. 6 3 ; Burmeister, Handbuch der Ent. v. p. 484. 

 Ninus interstitialis, Kaup, Monogr. der Passal. p. 89. 

 Passalus acuminatus, Eschscholtz, torn. cit. p. 21, var. minor. 



Eab. Mexico, Ventanas (Forrer), Tuxtla, Teapa, Santa Cruz (Salle), Jalapa (Edge) ; 

 British Honduras, R. Sarstoon (Blancaneaux) ; Guatemala, near the city (Salvin), 

 Zapote, Capetillo, Mirandilla, Pantaleon, San Geronimo, Cubilguitz, Panzos (Champion) ; 

 Nicaragua, Chontales (Jansori) ; Panama, Volcan de Chiriqui (Champion). — South 

 America, Ecuador, Peru, Amazons, South Brazil l . — Antilles, Cuba. 



NELEIDES. 



Neleides, Kaup, Monogr. der Passal. p. 87. 



Four Tropical-American species are included by Kaup in this genus. Neleides 

 appears sufficiently distinct by its short frontal carina?, which end in a tubercle before 

 reaching the straight clypeus. 



l. Neleides punctulatus. 



Neleides punctulatus, Kaup, Harold's Col. Hefte, v. p. 35 ; id. Monogr. p. 87 \ 



Eab. Panama 1 . 



Unknown to me. 



RHODOCANTHOPUS, 

 Rhodocanthopus, Kaup, Monogr. der Passal. p. 90. 



Kaup enumerates five species from different parts of Tropical America. It is well 

 represented in our region. The species are of minor size, with strongly sculptured 

 elytra and generally multispinose outer edge of the middle tibia?. 



1. Bhodocanthopus maillei. 



Passalus Maillei, Percheron, in Guerin's Mag. Zool. 1841, t. 78. f. 6 1 . 

 Passalus cognatus, Truqui, Rev. & Mag. Zool. 1857, p. 309 2 . 

 Rhodocanthopus maillei, Kaup, Monogr. der Passal. p. 90. 



Eab. Mexico 1 2 , Cordova, Orizaba (Salle, exempl. typic.) ; Nicaragua, Chontales 

 (Belt, Janson) ; Panama, Volcan de Chiriqui (Champion). — Colombia l ; Ecuador. 



2. Bhodocanthopus spiniger. (Tab. I. %g. 16, 16 a.) 



B. maillei proxime affinis ; differt clypeo quadrispinoso, spinis duobus intermediis plus minusve approximates, 

 exterioribus valde porreetis, canthisque oculorum bispinosis. Subdepressus, profunde punctato-striatus, 

 striis 5 a -9 m latioribus et transversim punctatis ; tibiis intermediis et posticis extus multispinosis, parce 

 ciliatis ; thorace lateribus solum sparsim grosse punctatis, angulis anticis productis. 



Long. 21-25 millim. 



