BARBADOS-ANTIGUA REPORTS 35 
Buenoa antigone Kirk. 
This seems to be the above species. At least, there is no other 
deseription fitting it so closely as the one named here. One 
specimen from Antigua, July 28, 1918. Heretofore recorded 
from Cuba, Jamaica, and Santo Domingo. 
Buenoa albida Champion 
Here is another form of doubtful authenticity! Ten speci- 
mens from Antigua, July 28; and three from Barbados, May 
16. This species seems to be known only from Mexico. 
Family Gerride 
Gerris (Limnogonus) guerini L. & S. (marginatus Guérin) 
There are forty adults and three nymphs from Barbados, May 
21, and eight adults from Antigua, July 28, 1918. Two of the 
adult males are winged and twenty-four are apterous; five of 
the females are winged and eighteen are apterous. 
This is a common West Indian species, heretofore recorded 
from Cuba, St. Vineent, Grenada, and Jamaica. 
The three continental American forms from the Atlantic and 
Gulf sides of North America (of which this species is one) may 
thus be separated: 
1 Antennal segment I longer than IV; small forms (less than 8 mm, 
RU i em 
Antennal segment I subequal to IV; larger forms (over 8 mm. 
long); antennal formula, I and IV : II : II1....hyalinus Fabr. 
2 Antennal segment I nearly twice as long as IV, which is subequal to 
II and III, II shortest; abdominal segments pilose dorsally as 
well as ventrally in apterous; antennal formula, I : III and IV: 
cS ON ee er ese eee hesione Kirkaldy. 
3 ‘Antennal segment I but little longer than IV, which is longer than 
IIIT and subequal to II; III shortest; abdominal segments glab- 
rous dorsally in apterous, comparatively slender form; antennal 
formula* I : IV : II : III; 7 to 7 % mm. long. guertmi L.&S. 
Rheumatobates sp. (tenutpes Meinert ?) 
One specimen taken at Barbados on May 21. This cannot be 
identified specifically on account of the absence of legs and 
antenne. 
* (By antennal formula is meant the order of the comparative lengths of the 
antennal segments). 
