80 



BULI^TIN 18 5, U]S"(ITE.D STAlTES NATIOOSfAiL MUSEUM 



Thermonetus— Continued. 



V. depictus Shp. 82-679 



cuneata Shp. 82-682 Panama 



duponti Aubg 38-152 Brazil 



interrupta Sturm. 26-56 South America 



laportei Aube 38-139 .Brazil 



margineguttata Aub6 38-149. Mexico 



Guatemala 



Panama 



Colombia 



Brazil 



Paraguay 



Argentina 



Cuba 



Puerto Rico 



Antigua 



Guadeloupe 



marmorata Hope 32-284 Mexico 



flavomaculata Chevr. 33-4 Guatemala 



maculata LeC. 54-211 Honduras 



U. S. A. 



a.latefasciata Zimm. 17-230 



nigrofasciata Aube 38-136 Mexico 



irrorata Mels. 46-26 



nobilis Zimm. 24-3 .Brazil 



ornaticollis Aub6 38-140 Mexico 



maculata Aub6 38-l4l U. S. A. 



simulator Shp. 82-681 Brazil 



Argentina 



succincta Aub6 38-145. Mexico 



Central America 



Colombia 



Brazil 



Peru 



Paraguay 



Argentina 



variegata Lap. 34-97 Brazil 



Acilius Leach 17-69 



semisuleatus Aube 38-132 _ Hispaniola 



U. S. A. 

 V. abbreviatus Aube 38-133 



DYTISCINI 



Dytiscus Linn. 58-411 



Dyticus Geoflr. 62-185 

 habilis Say 34-441 



..Mexico 

 U. S. A. 



CYBISTERINI 



Megadytes Shp. 82-704 



australis Germ. 54-326 Chile 



exposita Shp. 82-705 



carcharias Griff. 95-5.. Paraguay 



Argentina 



costalis Fab. 75-230 South America 



ducalis Shp. 82-713 ..Chile 



ecuadoria Zimm. 19-236. Ecuador 



fallax Aub6 38-54 Mexico 



Fr. Guiana 



flohri Shp. 82-709 Mfexico 



fraterna Shp. 82-708 ...Guatemala 



PananiS. 



Br. Guiana 



?Cuba 



Hispaniola 



Puerto Rico 



Antigua 



Guadeloupe 



gigantea Lap. 34-99. _. .Mexico 



Iherminieri Lap. 34-99 Guatemala 



. El Salvador 



Brazil 



Chaco 



Argentina 



Cuba 



Puerto Rico 



Antigua 



Guadeloupe 



glauca Brulle 36-46 Argentina 



biungulata Bab. 41-3 T. del Fuego 



V. aenea Ormanc. 43-332 Argentina 



gravida Shp. 82-712 Brazil 



laevigata Oliv. 95-14 Mexico 



Guatemala 



Nicaragua 



Panama 



Brazil 



Argentina 



lata Fab. 01-260 -Brazil 



Argentina 



marginithorax Perty 30-15 .Brazil 



Argentina 



obesa Shp. 82-710. ..Panama 



perplexa Shp. 82-711 ?South America 



puncticollis Brullg 36-46. ...Brazil 



Chaco 

 Argentina 



robusta Aub6 89-267 ...Brazil 



Argentina 



steinheili Wehncke 76-359 Colombia 



Cybister Curt. 27-151 



Tragus Leach 17-70 



cavicollis Shp. 87-759 Mexico 



explanatus LeC. 51-202. ...[U. S. A.] 



v. fusculus Zimm. 17-242.. Mexico 



V. laevicollis Zimm. 17-24^ 



festae Grill. 95-1 Panama 



fimbriolatus Say 25-91 Mexico 



dissimiUs Aub6 38-69 U. S. A. 



flavocinctus Aub6 38-78 Mexico 



U. S. A. 



guayanensis Wilke 23-249 Br. Guiana 



o.ccidentalis Aub6 38-67 ...Cuba 



GYRINIDAE 



Enhydrinae 



'^ DINEUTINI 



Dineutus M'Leay 25-30 



Cydinus Kby. 37-78 (Subg.) 

 Bineutes of authors 



discolor Aube 38-784 .Mexico 



U. S. A. 



emarginatus Say 25-108. [U. S. A.J 



americanus Aub6 38-777 



s. mutchleri Ochs 24-3 ..Bahamas Is. 



hastatus Fabr. 01-275 South America 



?India 



