Biological Papers. 



181 



Family Notonectid.e. 



1398 Notonecta insulata Kirby. S. 

 1401 mexicana Am. & S. S. 



indica Linn. S. 



Family CoRixiDiE. 



Corixa, undet. species. B, 



two undet. species. S. 

 Buenoa platycnemis Fieb. S. 

 Dendrocoris, apparently a new species. S. 



SUMMARY OF FAMILIES AND SPECIES OF HEMIPTERA-HETEROPTERA. 



Scutelleridas 3 



Corimelgenidae 4 



Cynidae 2 



Pentatomidae 32 



Coreidae 29 



Berytidas 2 



Lygaeidse 21 



Largidae 4 



Capsidce 24 



Aradidae 2 



Phymatidae 1 



Nabidee 3 



Totals: Families, 23; species, 171. 



Reduviidas 24 



Limnobatidae . . 



Gerridae 



Veliidae 



Saldidae 



Gelastocoridae. 

 Naucorid ae . . . . 

 Belostomatidae 



Nepidas 



Notonectidae. . . 

 Corixidae 



The author will publish at a later date lists of species belonging 

 to the other orders of insects, together with additions to the fore- 

 going lists from material not yet determined. 



