ILLUSTRATIONS. XLV 



Page. 

 Fig. 554. — lone thomi-soni. <t, Dnrwal view of feinali'. /', Veiittal view of 



same 509 



555. — lone thonipsoni. Maxillip(d 510 



556. — lone thonipsoni. First lamella of marsni)iinn 510 



557. — lone thonipsoni. Leg of sixth pair of a(hilt female 51(i 



558. — lone thomp.soni. Male 510 



559. — Leidya distorta (After Leidy). a, Dorsal view of female, h, Ven- 

 tral view of female, c, Leg of female 511 



560. — Leidya distorta (After Leidy). a, Dorsal view of male. I>, .Vbdomi- 

 nal segments of male with peculiar appendages, c, Right leg of 



male, d, Head of male with antenna' 512 



561. — Grapsicepon edwardsi (After Bonnier), a, Ventral view of female. 

 b, Alidomen of male (ventral view), c, Ventral view of head of 

 female (lirst right incubatory lamella removed), d, Dorsal view 

 of female, r, Head of male (ventral side), f, Ventral view of 

 . male, g, Seventh thoracic segment of male (ventral side). 

 h, First leg, with incubatory lamella. /, The same (inner face).. 514 

 562. — Grapsicepon edwardsi (After Bonnier), a, Ventral view of abdo- 

 men, h, Inferior part of head with right maxilliped. c, Both 

 antenna^, d, Right leg of fourth pair (female), e, Rostrum with 

 right mandible in situ. /, Parasite in branchial cavity of host. 

 (/, Last thoracic segments (dorsal view). Ji, Extremities of the 



mandibles 515 



563. — Munidion parvum. <i, Dorsal view of female, b, Ventral view of 



same 51 S 



564. — ]\lnnidion parvum. First lamella of inarsupium 51<S 



565. — Mun-idion parvum. Leg of sixth pair of adult female 519 



566. — Munidion parvum. Male 519 



567. — Cryptione elongata (After Hansen), a; Maxilliped of female. 

 b, Head of male (ventral view), c, First incubatory lamella of 

 female and first leg. d, Ventral view of male, e, Dorsal view of 

 female. /", Ventral view of female. (/, Head of female with both 

 maxillipeds omitted (seen from below). /(, First leg of male. 



/, Fifth leg of male 521 



568. — Cryptione elongata (After Hansen). Dorsal view of male 522 



569. — Pseudione giardi (After Caiman). <i, Dorsal view of female, b, 

 Embryo, c, Ventral view of male, d, Maxilliped. r, .\bdonieu. 

 /, Under surface of head, g, First incubatory lamella with pere- 



iopod. //, Second pereiopod. /, Mouth parts 524 



570. — Pseudione galacanthcc (After Hansen), x, First leg with incubatory 

 lamella, b, Sixth leg of female, r, Head of smaller male, d, 

 Dorsal view of male, r, Head of female (ventral view). /, Dor- 

 sal view of female, g, Ventral view of female. //, First leg of 



male, i, Seventh leg of male 528 



571. — Pseudione furcata. a, Dorsal view of female, b, Ventral view of 



same 529 



572. — Pseudione furcata. First lamella of marsupium 529 



57.S. — Pseudione furcata. Leg of sixth pair of adult female 529 



574. — Pseudione curtata. a, Dorsal view of female, b, Ventral view of 



same 530 



575. — Pseudione curtata. First lamella of marsujiium 5.S0 



576. — Pseudione curtata. l.ieg of sixth pair of adult female 530 



577. — Pseudione curtata. Male ,.,,.,. 531 



