no. 1653. PACIFIC COAST COPEPODS—W II. s<>\. 44I 



Six females from the king salmon. Oncorhynchus tschawytcha, at 

 Monterey, California. May, 1904, taken by the steamer Albatross,' 

 Cat. No. 38500, U.S.X.M. 



Five females from the hump-backed salmon, Oncorhynchus </<>/•- 

 buscha, ai Karluk, Alaska, by Dr. T. II. Bean; ('at. No. 38570, 

 U.S.N.M. 



An excellent lot of one hundred females and twenty males, with 

 many young females in different stages of development, taken from 

 the Dolly Varden trout, Sdlvelinus malma, at Karluk, Alaska, in 

 August, 1880, by Dr. T. II. Bean; Cat. No. 38571, U.S.N.M. 



Ten females from ''salmon" at. Karluk, Alaska; Cat. No. 38572, 

 U.S.N.M. 



Fifteen males and females from " red salmon " and " black batte," 

 at Karluk, Alaska, by Dr. T. II. Bean; Cat. No. 38573, U.S.N.M. 



Twenty-five females from Oncorhynchus gorbuscha, at St. Paul 

 Kodiak. Karluk, Alaska, by Dr. T.H. Bean; Cat. No. 38574, I S.N.M. 



The lot mentioned above as taken from the Dolly Varden trout is 

 of especial value on account of the large number of males and 

 development stages it contains. 



As is stated in the reference given under this species, the entire 

 National Museum collection has hitherto yielded but a*single male 

 of this species, and even that one proved to be new to science and 

 was then described and figured for the first time. In the present 

 lot there are more than twenty male-, together with development 

 stages of the female down to 2 mm. in length. 



LEPEOPHTHEIRUS BRACHYURUS Heller. 



Lepeophtheirus brachyurus Heller, L865, p. L85, pi. xvi, fig. i. 



Host and record of specimen*. — A single female was obtained from 

 Scorpcena </>>//<//</ by Doctor McClendon, at La Jolla. California. It 

 has been injured somewhat so that its identity is not perfectly cer- 

 tain: it is Cat. No. 38575, I'.S.N.M. 



LEPEOPHTHEIRUS THOMPSONI Baird. 



Lepeophtheirus thompsoni Baird, 1850, p. 278, pi. xxxiii, flg. 2. 



Host and record of specimen*. — A single female was obtained from 

 the month of the white sea bass. Cynoscion nobilis, at La Jolla, Cali- 

 fornia, by Doctor McClendon. and is Cat. No. .">V>7<;. I'.S.N.M. 



LEPEOPHTHEIRUS PARVUS, new species. 



Plate i. will. 



Host and record of specimens. — About a dozen females were ob- 

 tained by Doctor McClendon from the California red fish, Pimelomet- 



opun ptd, /,, r . at San Diego. California. Every specimen is fully 



