2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. QI 



men, which has been on exhibit for years, is very brittle and is taUing 

 to pieces, rendering impossible accurate measurements/ 



Description. — The counts and measurements given outside the 

 parentheses were taken from the holotype, and those inside the paren- 

 theses were taken from the four paratypes. xA.ll measurements are 

 expressed in hundredths of the standard length. Dorsal spines includ- 

 ing rudiments A^III (VIII, VIIT, VIII. VIII) ; dorsal soft rays 9 

 (9,9,9,-) ;anal rays8-|-5 (7 + 5, 7+5. 7 + 5- 7 + 5) ; pelvic fin rays 6 

 (-, -, -, -) ; pectoral fin rays 9 (9, 10, 11, -) ; gill rakers on anterior 

 margin of first gill arch 8-1-8 (7 + 9. 749. 8-|- 9, 7 + 9) ; branchiostegal 

 rays 9 (-, -, -, -) ; abdominal plates always 12. The lanterns (fig. i) 



Fig. I. — Argyropclccus aiitrorsospiims n. sp. Holotype. Standard length 33 mm. 

 Drawn by Jane Roller. 



always occur in pairs on holotyjic and paratypes in the following 

 numbers: Branchiostegals 6; isthmus 6; abdominal (ventral margin 

 of abdomen) 12 ; anal (along base of anal fin) 6 ; pre-anal (in front of 



^ The following two specimens, referred to this species, tentatively, and with 

 much uncertainty, are not used in the description of this new species : One, 

 U.S.N.M. no. 102988, collected by steamer Albatross, is referred to this species 

 with some uncertainty, as the abdominal spine is broken and there is no spine 

 on the lower margin of the caudal peduncle. This fish was found in a jar 

 containing two station numbers and may have been taken at either one of 

 them. They are : Station 4600, southwest coast of Mexico, Point of Rocks, N. E., 

 10 miles, latitude I5°36' N., longitude 96°59' W., October 15, 1904, depth 500 

 fathoms ; and station 4436, Harris Point, San Miguel Island, S. 7° E., 9.8 miles, 

 April 15, 1904, depth 264 to 271 fathoms. The other specimen, U.S.N.M. no. 

 33296, also in poor condition and with the abdominal spine broken off, probably 

 belongs to this species. It was collected by the steamer Albatross, station 2043, 

 latitude 39°49'oo" N., longitude 68°28'3o" W., July 30, 1883. This fish has spines 

 on the ventral portion of the caudal peduncle. 



