LE 
244 
Pectorals not prolonged. 
No isolated large chromatophores at base of unpaired ffins. Anus 
in advance of middle of body both in the smallest stages (abt. 
1 cm in length) and, with the exception of P. speciosus Bellotti 
and P. pseudosphyrænoides nov. spec., also in the older stages 
(abE-2 cm in length). 
A. Ventral pigment consisting of a single row of fine points 
along ventral edge of body between anus and anal fin. The 
smallest stages in which the anal fin is still wanting exhibit 
in all 3 or 4 postanal groups of points. 
Aa: 
oa 
Ventral pigment between anus and anal fin consisting of 
one group situated behind middle of body. The smallest 
stages (without indication of anal fin as yet), exhibit in 
all three postanal groups of pigment points. The hind- 
most group situated near end of tail consisting of three 
rows, viz. two lateral and one ventral. In the largest 
stages (3—4 cm in length, in which the row of points 
mentioned above appears as a nearly unbroken series €x- 
tending from anus to anal fin) the length of the snout 
in %/o of total length is 9—10. 
Number of vertebræ 81—84. 
P. pseudosphyrænoides nov. SpeC. 
. Ventral pigment between anus and anal fin consisting of 
two groups, one behind, the other about at middle of 
body. The smallest stages (still lacking in anal fin) possess 
in all four postanal groups of pigment points, of which 
the hindmost group situated near end of tail consists only 
of two rows of pigment points, viz. two lateral ones. In 
the largest stages (3—4 cm in length, in which the row 
of points mentioned above appears as a nearly Un” 
broken series from anus to anal fin) the length of the 
snout in ”/o of total length is 5—6. 
Number of vertebræ 89—91. 
P. sphyrænoides Riss0o- 
B. No ventral pigment between anus and anal fin. 
a. 
Dorsoiateral row of small pigment spots present (extend- 
ing from a little before middle of body to end of tail in 
