No. 8.— Ants collected in Trinidad by Professor Roland Thazter, Mr. 
F. W. Urich, and Others. 
CONTRIBUTIONS FROM THE ENTOMOLOGICAL LABORATORY OF THE 
BUSSEY INSTITUTION, HARVARD UNIVERSITY. NO. 108. 
By Wrii1am Morton WHEELER. 
FORMICIDAE. 
1. Ectatomma tuberculatum Olivier. 8 9Q.— Port of Spain and 
Sangre Grande (Thaxter). 
2. Ectatomma ruidum Roger. 8&.— Port of Spain (Thaxter); 
Chaguanas (Urich). 
3. Neoponera obscuricornis Emery var. latreille: Forel. 8 — Caura 
(Urich). 
4. Neoponera unidentata Mayr. 8 .— Port of Spain (Thaxter). 
5. Pachycondyla crassinoda Latreille. 8 @.—Port of Spain 
(Thaxter). 
6. Pachycondyla harpax Fabricius. 8 .— Port of Spain (Thaxter). 
7. Pachycondyla impressa Roger. 8&.— Port of Spain (Thaxter). 
8. Euponera (Mesoponera) constricta Mayr. 8 2 .— Port of Spain 
(Thaxter). 
9. Euponera (Trachymesopus) stigma Fabricius. 8 2 .— Port of 
Spain (Thaxter). 
10. Ponera opaciceps Mayr. 8 .— Aripa Savanna (Thaxter). 
11. Odontomachus haematoda Linné. 8 9 .— Port of Spain, Gas- 
paree Island, and Sangre Grande (Thaxter). 
12. Odontomachus haematoda Linné subsp. insularts Guérin var. 
hirsutiusculus F. Smith. 8 .— Port of Spain (Thaxter). 
13. Odontomachus haematoda Linné subsp. meinerti Forel. 8 — 
Port of Spain (Thaxter). 
14. Anochetus inermis Ern. André var. meinerti Forel. 8 2 &.— 
Chaguanas (Urich); Port of Spain (Thaxter). 
- The worker and female of this variety differ from those of the 
typical form in having the superior border of the petiole distinctly 
excised and the inner border of the mandibles with three teeth. 
