THE WATER SCORPIONS. 



1039 



little wider than middle, more than twice the length (along the dorsal 

 median line) of hind one. Prosternum with a narrow and shallow 

 median groove, with an impressed line each side. Front femora long and 

 slender, with a distinct preapical sinuation, the tooth behind this slender, 

 subacute (fig. 208, e) ; hind femora reaching or passing middle of 

 last ventral segment; hind tibiae reaching or slightly passing middle of 

 breathing tube. Abdomen two and one-fourth times the length of pro- 

 notum. Breathing tube very long, in many specimens as long as body. 

 Length of body, 35 — 46 mm. ; of breathing tube, 28 — 44 mm. 



Raleigh, N. Car., June (Brimley). Described from Gainesville, 

 Fla., and hitherto recorded only from there. The pale color, 

 large prominent eyes, long slender body and pronotum and very 



long caudal filaments, are 

 the principal distinctive 

 characters of this species. 



1179 (1383). Ranatra fus- 

 ca Palisot de Beau- 

 vois, 1805, 235. 



Dark reddish- to fuscous- 

 brown ; legs not or very 

 faintly annulated; front fem- 

 ora usually paler than the 

 coxa?. Eyes prominent, as 

 wide as interocular area. Pro- 

 notum as in key, its front 

 portion but little wider at 

 apex than middle, about one- 

 half longer than the thicker 

 basal one, (6 mm. to 4.2 

 mm.), the hind margin of lat- 

 ter rather deeply and nar- 

 rowly emarginate. Proster- 

 num with a wide and shallow 

 median groove. Front femora 

 relatively stout, one-half 

 longer than the coxa?, and 

 with a distinct preapical 

 Fi K . 209, x 2. (After Lugger) . sinuation preceded by a blunt 



tooth (fig. 208, /). Middle and hind femora relatively short, the latter 

 scarcely surpassing middle of membrane; hind tibiae reaching about to 

 apical fourth of breathing tube, the latter shorter than abdomen. Length 

 of body, 35 — 42 mm.; of breathing tube, 21 — 24 mm. (Fig. 209). 



Lake, Marion, Putnam and Vigo counties, Ind., May 9 — Oct. 

 1. Forest Hills, Mass. ; Ft. Lee, N. J., and Raleigh, N. Car., 

 (Brimley). Ranges from Quebec and New England west to 



