XLVIII ILLUSTRATIONS. 



Pa§:e. 

 Fig. 630. — Bopyroides hippolytes. First lamella of marsupium from specimens 

 found on: a, Spirontocaris spinus from P^astport, Maine, h, Spi- 

 rontocaris spinus from Bay of Islands, Adakh, Alaska, c, Spiron- 

 tocaris secnrifrons from the Hawaiian Islands. //, Spirontocaris 

 spinus from Bay of Islands, Adakh, Alaska 568 



631. — Bopyroides liippolytes. First incubatory lamella from specimens 

 found on Spirontocaris lilljeborgii from eastern fishing banks 

 ( Gloucester tishermen ) , 569 



632. — Bopyroides hippolytes. First incubatory lamella from specimens 

 found on: a, Spirontocaris polaris from west of Pribilof Islands. 

 b, On Spirontocaris suckleyi from Admiralty Inlet, vicinity of 

 Port Townsend. c, On Spirontocaris suckleyi from Afognak Bay, 

 Afognak Island, d, On Spirontocaris suckleyi from Admiralty 

 Inlet, vicinity of Port Townsend. c\ i''\ c^, On Spirontocaris 

 suckleyi from Alitak Bay, Kadiak Island. /, On Spirontocaris 

 herdmani from (.^ueen Oharlotte Sound, off Fort Rupert, Van- 

 couver Island, British Columl)ia. ;/', (/-, (f, f/, g^, On Pandalus 

 jordanifrom Queen Charlotte Sound, off Fort Rupert, Vancouver 

 Island, British Columbia 569 



633.— Bopyroides hippolytes. Sixth leg from specimens found on: a, 

 Spirontocaris polaris from Aberdore Channel, h, Spirontocaris 

 sj^inus from North Head, Akutan Island, Alaska, r, Spirontocaris 

 spinus from Bay of Islands, Adakh, Alaska, d, Spirontocaris 

 sjnnus from Bay of Islands, Adakh, Alaska 570 



634. — Bopyroides hippolytes. Sixth leg from specimens found on: a, 

 Spirontocaris spinus from Eastport, Maine, h, Spirontocaris 

 securifrons from between Honolulu and Kauai Island, Hawaiian 

 Islands 570 



635. — Bopyroides hippolytes. Sixth leg of specimens found on : <i, Spiron- 

 tocaris polaris from Grand ]\Ienan, New Brunswick, h, Spironto- 

 caris lamellicoi'nia from Port Townsend 570 



636. — Bopyroides hip])olytes. Sixth leg from specimen found on Spiron- 

 tocaris lilljeborgii from eastern fishing banks (Gloucester fisher- 

 men ) 570 



637. — Bopyroides hippolytes. Sixth leg of specimens found on: a, Spiron- 

 tocaris polaris from west of Pribilof Island, h, On Spirontocaris 

 suckleyi from Admiralty Inlet, vicinity of Port Townsend. c, On 

 Spirontocaris suckleyi from Afognak Bay, Afognak Island, d, 

 On Spirontocaris suckleyi from Admiralty Inlet, vicinity of Port 

 Townsend. r\ r\ r^, On Spirontocaris suckleyi from Alitak Bay, 

 Kadiak Island. /', On Spirontocaris herdmani from Queen Char- 

 lotte Island, off Fort Rupert, Vancouver Island, British Columbia. 

 .9\ .'7^ 9^^ 9'\ .'/) On Pandalus jordani from Queen Charlotte Island, 

 off Fort Rupert, Vancouver Island, British Columbia 571 



638. — Dajus mysidis (After Sars) . a, Ventral view of female (adult). 

 h, Oral area, r. Dorsal view of adult female, d, Right part of 

 ))Ost-oral area with t;orresponding five legs and incubatory plates. 

 (', Leg of male. /, Maxilliped. r/, Male (dorsal view). /(, Lateral 

 view of male, i, Head of male (ventral side), j, Specimen of 

 Mysis mixta infested with parasite, k, Uropoda of male. /, Uro- 

 poda of female, vi, Young female (ventral view), n, Young 

 female (dorsal and ventral views), o. Young female (lateral 

 view ) ^"-1 



