﻿think tliey are one species, the females of the former being so 

 miicli larger. 

 A. Lateral spines of abdomen, conical elongated and acute. 



1. G. pallidum Fab.— Stall. Cm. tab. 9./. 63.— lacustris/>»on. 



V.^.pl. 118./ 1. 1 , r 



Length (5\ lines. Obscure black, antennae and legs ol 

 sani? colour, anus, marghis of thorax, and abdomen och- 



reous. ,11 



April, May, June, and August, ponds and ditches. 



2. Pausarius Curt. i, i 



J(S lines, ? 8. Apterous, dull black, silvery-yellow be- 

 neath ; basal joint of antenn;e ccjual to all the others in 

 len<rth ; a gray line down the back of the abdomen formed 

 of lon^r' dots; 'the scapes to which the legs are attached 

 ochremis beneath, the space between the \- posterior and 

 an interrupted line down the belly ferruginous. 

 Although both sexes are apterous it is the largest ot cur 

 species, and when the abdomen of the female is distended with 

 CTfTs an ochreous line is very visible down each sideot the back, 

 formed bv the membrane connecting the coriaceous covering. 

 These insects were abundant in June and the beginning otJuly 

 in a rapid little stream near Lyndhurst, and many ot them were 

 paired. Mr. Dale has seen them from April to October. 

 B. Lateral processes short, flat, and subtrigonate. 



3. rufoscutellata Lat.— Stall, t. 15./. 108. 



4i to 5' lines. Obscure black; antenna?, excepting the 

 apex, sides and lobe of thoras, margin of abdomen, ami. 

 and legs, ochreous. , 



March and April, ponds and ditches, Glanville s ^\ otton ; 

 September, Paddington. 



•t. variabilis Curt. , , 



4|lines: similar to No. 3, but the antenna^ are black, ex- 

 cepting the base of the 2nd joint, the thorax has only a 

 Ion- spot before, with the margins rufous; die abdomen is 

 ocirreous beneath, excepting a black line on each side, 

 whereas in No. 3 the margins and apex only are ochreous. 

 Taken on salt-water ditches I believe on the coast ot i^uHolk 



in August. 



5. lacustris Linn.-DcGcer v. 3. pi. 16../. 12. 



LencTth li lines. Obscure black, margins ot thorax, abdo- 

 men? anus, 4 posterior and base of anterior legs ochreous. 

 On stagnant waters: it is common in Nortolk. 



6. apicalis Curt. Ihit. Ent. pi. 553. 



This nrettv species was first communicated to me b) mv 

 friend J. C. Dale, Esq., who discovered it by the ^oorc s nver 

 at West Hurne, Hants, also by Manaton or Bea. W ood, 

 Dorset, and afterwards in the New Forest: it appeal, iiom 

 June to the end of September. , o i m 



The Plant is Icrouka scutcllata (Narrow-leaved Speedwell). 



