152 CATALOGUE OF 
head. Fore lobe of the prothorax with two minute 
tubercles in the disk; side angles of the hind 
lube attenuated into an acute tooth, Apical spine 
of the scutellum soinewhat reflexed. Fore femora 
slightly thickened. Spongy furrow of the fore 
tibie oblong. - - - - - Steinii. 
In a previous articie the same author distributes the species in twelve 
divisions, the characters of which are omitted, but the divisions and their 
constituent species are here eiiumerated :— 
Div. 1. ater, opaciventris. 
Div. 2. nitidiventris, angularis. 
Div. 3. luteoguttatus. 
Div. 4. bicolor. 
Div. 5. thoracicus, luteispinus, sordidipennis, sororius, femoralis, fraternus, 
limbatus, coxalis, annuliger, simulans, 
Div. 6. festivus, flavispinus. 
Div. 7. albispinus, mundus. 
Div. 8. eburneus, obscuricornis, rufescens. 
Div. 9. tricolor. 
Div. 10. flavofasciatus. 
Div. 11. stellatipennis, aftinis, scutellaris. 
Div. 12, Steini. 
Div.? — spinidorsis, miltosoma, lineatus. 
Mexico and South America. 
The following arrangement includes most of the species in this list: — 
A. Lateral spines of the prothorax short, not acute. 
a. Prothorax partly yellow. — - ° - - tricolor. 
b. Colour wholly black. 
* Spines of the prothorax black. - - - ater. 
** Spines of the prothorax with pale tips. nilidiventris, angularis. 
c. Fore wings white towards the base. - - leucotelus. 
d. Fore wings with a whitish subapical spot. - - tristillatus. 
e. Fore wings with two luteous spots. - - luteoguttatus. 
f. Fore wings with a yellow spot. - -  affinis, stillatipennis. 
g. Fore wings with a luteous band. - - -  flavofasciatus, 
h. Fore wings cinnamon-colour. - - opaciventris, femoratis. 
i. Fore wings yellowish. - - - - fraternus. 
j. Fore wings reddish testaceous. - - - bicolor. 
J 
B. Lateral spines of the prothorax prominent, acute. 
a. Head and prothorax black. 
* Fore wings white at the tips. - - - Alcides. 
** Fore wings not white at the tips. 
{+ Prothorax not pale about the spines. 
{ Fore wings wholly black. - - - - sigillatus. 
{{ Fore wings black, with a red basal costal streak. - —pyrrhomelas. 
