ILLUSTRATIONS. XLI 



Page. 

 Fig. 462. — Mancaselliis macrourti.f (After Garman). a. Outline of one side of 

 head, h, One (^f i^eeond genital plate.s of male, c, Mandible, d, 



Hand, e, Uropod 413 



463. — Mancasellus macrourus (After Hay) 413 



464. — Mancasellus macrourus (After Garman ) 414 



465. — Mancasellus macrourus. a, First leg. h, Maxilliped. c, Second 



maxfila. r/, First maxilla. ^;, Mandible. /, Uropod 414 



466. — Mancasellus tenax (After Harger) 415 



467. — Mancasellus tenax. «, Alidomen with nropoda. '*, First leg 416 



468. — Mancasellus danielsi 417 



469.— Mancasellus danielsi. Mandible 4 IS 



470. — Mancasellus danielsi. Maxilliped 4 1 S 



471. — Mancasellus danielsi. Leg of first pair 419 



472. — Asellus communis (After Smith) 421 



473. — Asellus comnmnis. a, First leg of male, h, rrojiod 421 



474. — Asellus intermedius 422 



475.— Asellus intermedins. </, First leg. ?j, Abdomen with uropoda 422 



476. — Asellus interuiedius (After Forbes), a. One of first pair of genital 



j)lates of male, h, One of second pair of genital plates of male 423 



477. — Asellus brevicauda (After Forbes), a. Hand of male, h. One of 

 first pair of genital plates of male, c. One of second pair of genital 



plates of male 424 



478. — Asellus brevicauda 424 



479. — Asellus brevicauda. a, First leg. h, Uropod. c, Palp of mandible. 



(/, ^laxilliped 425 



480. — Asellus hoppin;e ( After Faxon ) 425 



481. — Asellus hoppinte. (f, Peduncle of second antenuic. A, Abdomen 



with urojioda. c, First leg 425 



482. — Asellus attenuatus •. 427 



483. — Asellus attenuatus. Leg of the first pair of female 427 



484. — Asellus attenuatus. a, Maxilliped. />, Mamlible 427 



485. — Asellus attenuatus. a, Leg of the first pair, h, Third pleo])od of 



female, c, First pleopod of female 428 



486. — Asellus aquaticus (After Sars). «, Dorsal view of female, h, First 

 and second antenn;e. c, LTj)per lip. d, Lower lij). e, Left man- 

 dible. /, First maxilla, y, Right mandil)le. //, Palp of mandi- 

 ble, i. Second maxilla, j, Left mandible, h, Maxilliped. 

 I, First pleopod of female, m. First leg. n, Second pleopod of 

 male, o, First pleopod of male, p, Fourth pleopod of female. 

 q, Uropod. r, Abdomen of female. .*>•, First leg of male, t, Fifth 



pleopod of female. ", Third i)Ieopod of female 430 



487. — Asellus tomalensis 432 



488.— Asellus tomalensis. Mandible 432 



489. — Asellus tomalensi.s. Leg of first pair 432 



490.— CfT^cidotea stygia ( After Play) 434 



491. — Ciccidotea stygia. a, Terminal segment of body and uropoda. 



h, :Maxillii)ed. c, First leg. d, Mandible 435 



492. — ( After Hay. ) a, Al:)domen and uropoda of Ca;cidotea stygia ( Mam- 

 moth Cave), b, Uropod of Ceecidotea nickajackensis (Metcalf, 

 Georgia), c, Abdomen and uropoda of C?ecidotea richardsonje 

 (Nickajack Cave), d, Gnathopod of Ca>cidotea nickajackensis 

 (Metcalf, Georgia), t, Fifth leg of Cjpcidotea nickajackensis 

 (Metcalf, Georgia). ./', Fifth leg of C;ecidotea richardsona' (Nick- 

 ajack Cave), g, Fifth leg of Ceecidotea stygia (Mammoth Cave) . . 435 



