900 PROCEEDINGS OF THE NATIONAL MUSEUM. vouxxiv. 
unarmed; sixth somite more than one and a half times as long as 
fifth and equal to the telson, which has three pairs of lateral spines. 
Dimensions. — Female, length 20 mm., length of carapace and ros- 
trum 5.5 mm., of rostrum 1.8 mm. 
Tyj)e locality. — Bering Sea, latitude 62^ 15' north, longitude 167^ -18' 
west, 20i fathoms, Lieut. George M. Stoney, U. S. N., collector, June, 
1884 (Cat. No. 25275). 
SPIRONTOCARIS MACROPHTHALMA. 
Allied to S. rnacilenta (Kr0yer) and /S". Ijispinosa Holmes. Rostrum 
about three-fourths or five-sixths as long as carapace, upper and lower 
limbs with convex margins and widest at about the middle of their 
length; 10 to 14 teeth above (2 or 3 on carapace), 1 to 3 spines below; 
tip acute. No supraorbital nor pterygostomian spine. Eyes large, 
pyriform, cornese extending almost to base of e^^estalk on inner side, 
eye reaching two-thirds length of firstantennular segment; this segment 
twice as long as second, and second three times as long as third. The 
blade of the antennal scale exceeds the spine considerably, and is most 
advanced toward its inner margin. Outer maxillipeds slender, reach- 
ing midway between end of antennal peduncle and end of scale. Last 
three pairs of feet long, fragile, unarmed. 
Difi^ers from ,6'. macilenta in the much larger eyes, longer rostrum, 
of which the upper limb is narrowed at its base; from 8. hispinosa in 
the absence of a supraorbital spine and of the long slender process of 
the rostrum. 
Dimensions.— Y&m&XQ., length 62.6 mm., length of carapace and ros- 
trum 24 mm,, of rostrum 11 mm. 
Type locality. — Off' Tawhit Head, Washington, 178 fathoms, station 
3076, U. S. Fish Commission steamer Albatross (Cat. No. 25276). 
Distrioution. — Ranges from Unalaska to California, 178 to 636 
fathoms. 
Family PANDALID^. 
PANDALUS JORDANI. 
Near P. horealis Kr0yer. Rostrum similar to that of P. horealis^ 14 
to 17 spines above (4 on carapace), 7 to 10 below. Blade and spine of 
acicle equally advanced. Carpus of right cheliped of second pair 
divided into 19 to 22 segments; of left cheliped, into 58 to 63 seg- 
ments. Dactyli of last three pairs of feet contained from 2^ to 2| 
times in their propodi. Third abdominal somite carinated in its pos- 
terior half, and with a slight lobe at the posterior third, which may 
almost disappear in large specimens. 
Dimensions. — Ovigerous female, length 124.5 mm., length of cara- 
pace and rostrum 59.5 mm., of rostrum 38 mm. 
