118 EUG. DADAY DE DEÉS 
(fig. 20, 2). Pars apicalis pedum secundi paris in margine inte- 
riore prope clavam apicalem haud sinuata, integra (fig. 20, à). 
Pedes tertii paris palpo enditali carentes. 
Telsonum aculeis marginalibus dorsalibus seu analibus aut 
y 
Fig. 20. — Caenestheriella Packardi (Brady).— a, Q concha a latere, 1 : 5; b, © con- 
cha à latere, 1 : 5; ©, © caput a latere, À : 10; d, & caput a latere, 1 : 10; 
e, @ conchae supra visae, 1 : 10; ÿ, © conchae supra visac, 1 : 10; g, © pars 
valvulae concharum. Reich. Oc. I, Obj. 4; k, © pes primi paris. Reich. Oe. I, 
Obj. 0: à, O' pars apicalis pedum 2-di paris. Reich. Oc. I, Obj. 2: #4, 4, © © aculei 
marginales telsoni. Reich. Oc. I, Obj. 2: m, Q pes primi paris. Reich. Oe. I, Obj. 0: 
n, ovum. Reich. Oc. I, Obj. +: o, © caput a latere, 1 : 10 ; p, g, © pes 9 et 10-paris. 
Reich. Oc. I, Obj. 0 ;r, © aculei marginales telsoni. Reich. Oc. I, Obj.2;s, © © tel- 
sonum et segmenta aliquot antecedentia. Reich. Oe. 1, Obj. 0. 
sat validiusculis, magnitudine diversa, laevibus (fig. 20, 4), aut 
tenuibus, longitudine diversa, minute denticulatis (fig. 20, 7); 
numero sat variabil. 
Longitudo concharum 5,2-9 mm. ; altitudo maxima 4-4,2 
mm. ; latitudo maxima 2,7-3 mm. 
