IX 11 VN ^ I'lON OP F'l I tB8, 



Pj \ik \IV. 



Acviciiv i.onciui'.mis. v:u\ hifi/osns. 



I'i •.. i. Abdomen of male. 



2. Toot of linii pair female. 



3. Fifth pair of feel -male. 

 i. Frontal tentaole. 



Di iptomus Sanoti-Patrxcxi. 



5. Fifth fool of female. 



<;. ,, of right Bide male. 



7. „ of lefl „ „ 



8. \|iirni joints of the same -wore highly magnified. 



DlAPTOMUS r. uiu.iit.k. 



*.). Female Been from above x 40. 



10. Lasl three joints of right antenna of male. 



11. Angle of last thoraoio, and side of first abdominal, segment 

 r_\ Fifth foot of female. 



18. Fifth pair of feet of male. 



(Figs. io and \:\ are after De Guerne and diehard.) 



ERRATA. 



p. 10, Hue 9, read Cyclops Scourficldi, G. S. Brady (PI. IV ; PL VI., figs. 



.; B). 

 p. 10. line 10, read Cyclop* Luckartii (20) p. 30 (not C, Luckarti Qiaos). 

 Plate IX., fig. 1. C. for ORASSIOORHXS read C. fimiiriatus. 



PKINTKD UY J. IIBI.l. U»D 00., UAII \\ W I.ANR, PILGRIM HTIIKLT, NBYVCASTLE-ON-T Y \ | 



