XLVIII ILLUSTRATIONS, 



Page. 



FIG. 630. Bopyroides hippolytes. First lamella of marsupium from specimens 

 found on: a, Spirontocaris spinus from Eastport, Maine, b, Spi- 

 rontocaris spinus f rom Bay of Islands, Adakh, Alaska, c, Spiron- 

 tocaris securifrons from the Hawaiian Islands, b', Spirontocaris 

 spinus from Bay of Islands, Adakh, Alaska 568 



631. Bopyroides hippolytes. First incubatory lamella from specimens 

 found on Spirontocaris lilljeborgii from eastern fishing banks 

 (Gloucester fishermen) 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. o, On Spirontocaris suckleyi from Afognak Bay, 

 Afognak Island, d, On Spirontocaris suckleyi from Admiralty 

 Inlet, vicinity of Port Townsend. e l , e 2 , e 3 , On Spirontocaris 

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

 herd man i from Queen Charlotte Sound, off Fort Rupert, Van- 

 couver Island, British Columbia. g l , g 2 , g 3 , g 4 , g 5 , On Pandalus 

 jordani from 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, b, Spirontocaris 

 spinus from North Head, Akutan Island, Alaska, o, Spirontocaris 

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

 spinus from Bay of Islands, Adakh, Alaska 570 



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

 Spirontocaris spinus from Eastport, Maine, b, Spirontocaris 

 securifrons from between Honolulu and Kauai Island, Hawaiian 

 Islands T . 570 



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

 tocaris polaris from Grand Menan, New Brunswick, b, Spironto- 

 caris lamellicornia from Port Townsend 570 



636. Bopyroides hippolytes. 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, 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. e l , e*, <?, On Spirontocaris suckleyi from Alitak Bay, 

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

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

 g 1 , g 2 , g 3 , g 4 , g 5 , 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). 

 b, Oral area, c, Dorsal view of adult female, d, Right part of 

 post-oral area with corresponding five legs and incubatory plates. 

 e, Leg of male. /, Maxilliped. g, Male ( dorsal view ). h, Lateral 

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

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

 poda of female. TO, Young female (ventral view), n, Young 

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

 view) 574 



