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Show 600 HERR 0. BRUNNER ON THE ORTHOPTERA OF [June 20, very considerable difference between the Faunas of these islands so far as Orthoptera are concerned, but I think the apparent great diversity may probably be found to be due to some extent to differences in the collecting that has been carried on in the two islands. The same collector, Mr. H. H. Smith, formed the collection from both islands, but it is understood that the one he procured while in St. Vincent is more complete than that which he formed in Grenada. If so, on the hypothesis that other of the St. Vincent species remain to be found in Grenada, the difference between the two islands may possibly be found to consist of the fact that Grenada has a richer Orthopterous fauna than St. Vincent possesses. Whether this really be the case, and if so, whether it be due to the much greater proximity of Grenada to the mainland cannot, however, be satisfactorily discussed until the data shall be much more complete than they are at present. List of such of the Orthoptera of Grenada as have not been St. Vincent, with notes on their geographical distribution. DERMAPTERA. 1. Psalis americana, Pal. St. Domingo. 2. Spongophora, sp. n. BLATTODEA. 3. Anaplecta lateralis, Burm. S. America. 4. Ghorisoneura mysteca, Sauss. Centr. and S. America. 5. Phyllodromia notata, sp. n. 6. Pseudophyllodromia albinervis, sp. n. 7. Ischnoptera occidentalis, Sauss. St. Domingo, Centr. S. America. 8. Pelmatosilpha marginalis, sp. n. 9. Periplaneta australasice, Fabr. Wide distribution. 10. Latindia castanea, sp. n. 11. Perasphmria ruflpes, sp. n. ACRIDIODEA. 12. Osmilia ccelestis, Burm. Centr. and S. America. 13. Anaulacomera antillarum, sp. n. GRYLLODEA. 14. Nemobius cuhensis, Sauss. Cuba and Centr. America. 15. Paragryllus rex, Sauss. Brazil. 16. Paracanthus sp. (immature). 17. Podoscirtus modestus, sp. n. 18. Metrypus claudicans, sp. n. 19. heros, sp. n. (B. S.)] |