ILLUSTRATIONS. XLVII 



I'age. 

 Fid. 596. — Argeia pugettensi?. a, Dorsal view of immature female, h. Ventral 



view of Hame. (Second i)ost-larval stage) 550 



597. — Argeia pugettensis ( Oyptoniscan stage ) 550 



598. — Parargeia ornata (After Hansen ). <i, Dorsal view of female, b, 

 Ventral view of female, c, Leg of seventh ])air of female, d, 

 Leg of seventh i)air of male, e, Head of female (ventral view). 



/, Dorsal view of male, f/, Head of male (ventral view) 552 



599. — Probopyrns pandalicoia. </, Dorsal view of female. !>, Ventral 



view of same 554 



600. — Probopyrns pandalicoia. Leg of sixth pair of adult femal(> 555 



601. — Probopyrns pandalicoia. ]\Iale 555 



602.— Probopyrns floridensis. a, Dorsal view of female. 6, Ventral 



view of same 556 



603. — Probopyrns floridensis. First lamella of marsupium 556 



604. — Probopyrns floridensis. Leg of sixth pair of adult female 556 



605. — Probopyrns fioridensis. Male 556 



606. — Probopyrns bitliynis. a, Dorsal view of female. I>, Ventral view 



of same 557 



607. — Probopyrns bithynis. First lamella of marsupium. Right side... 557 



60S. — Probopyrus bithynis. Leg of sixth pair of adult female 558 



609.— Probopyrns bithynis. INIale 558 



610. — Probopyrus bithynis. a. Dorsal view of female. 1>, Ventral view 



of same 558 



611. — Probopyrus bithynis. Male 559 



612. — Probopyrus alphei. Dorsal view uf female 560 



613. — Probopyrus alphei. Male 560 



()14. — Probopyrus latreuticola. a, Male. I>, Female 560 



615. — Pi-obopyrns latreuticola. Tirst incubatory lamella 561 



616. — Probopyrns latreuticola. a. First pleopod (showing both branches). 



/^, Second pleopod. c, Third pleopod. </, Fourth pleoi)od 561 



617. — Bopyriscns calmani. <r, Female. 6, First incubatory lamella 562 



61S. -Bopyriscns calmani. First pleopod. Female 562 



619. — Bopyriscns calmani. Male 562 



620. — Bopyrina abbreviata. Dorsal view of female 563 



621. — Bopyrina abbreviata. First lamella of marsnpimn 564 



622. — Bojiyrina abbreviata. Maxilliped 564 



623. — Bopyrina abbreviata. Male 564 



624. — Bopyrina nrocaridis. n, Dorsal view of female. }>, Ventral view of 



same 565 



625. — Bopyrina nrocaridis. Maxjlliped 565 



626. — Bopyrina nrocaridis. First lamella of marsupium, right side 565 



627. — Bopyrina thorii. a, Dorsal view of female, h, Ventral view of 



same 566 



628. — Bopyroides hippolytes (After Sars). (f, First incubatory plate, h. 

 Palp of maxilliped. c, Max lliped. d, Head of male (ventral 

 view), e, Anterior part of specimen of Spirontocaris polaris in- 

 fested with this parasite. /, Leg. g, Anterior jiart of head of 

 female (ventral view). /(, Dorsal view of female. /, Ventral 



view of female. /, Dorsal view of male 567 



629. — Bopyroides hippolytes. First incubatory lamella of specimens 

 found on: a, Spirontocaris lamellicornia from Port Townsend Bay, 

 Washington, h, Spirontocaris polaris from Aberdore Channel. 

 c, Spirontocaris polaris from Grand Menan, New Brunswick, rf, 

 Spirontocaris spinus from off North Head, Akntan Pass, Alaska . 568 

 28589—05 IV 



