290 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 95 
TABLE 12.— Measurements, expressed in hundredths of the standard length, made on 
two species of Parodon from Venezuela 
suborbitale | apolinari 
Characters ae d i 
Tran o Tpeaiat Rio Torbes Guan 
Standard length in millimeters_.-_.........__--__--._-- 97.7 71.0 120.5 85 
Apensth offhead iy) reel ge ee Pt 23.0 23. 1 25.3 21.2 
Greatest Cepia AN EN OURS 28.0 28.9 29.1 29. 4 
Diameter Oley.ee ee ee we ses ere 4.40 §. 21 3. 73 4.12 
Tength ofisnoutsis so lee a eee ae ee ls Ae 9. 00 8. 59 9.12 8. 24 
Interorbital Spaces LoweLL HAWN LUNG eae ae koa a aya 9. 31 9. 44 9. 95 8. 82 
Postorbital length of head_____.--._____---------_-.--_- 11.2 11.4 14.1 10.6 
Least depth of caudal peduncle__.-__.......-.-.-__._--- 15.1 14.2 14.1 13.5 
Zeng thi oficaudalipeduncles yaa cscs aan eee 16. 4 19.0 16.3 17.1 
Space between nasal openings____.--_--.-.---__-------- 6. 24 4.93 6. 60 5. 06 
Snoutitordorsal Origins oes eee eae ee eR en 46.8 45.0 49.4 48.6 
Snout to adipose origin_.-.._...__.--_.__.-_-__-__.__---- 83.9 83. 0 85. 2 84. 2 
Snout) Coramallori gree Ae a Ale aaa ie ane etru Dee ee eR 76.8 78.3 72.6 76.5 
Snout to pectoral insertion.__........--.---._-.__-_---- 20.0 19.9 21.1 16. 9 
Snoutito Pelvichinsertion | lsse see ee ee ee 50. 6 48. 2 54.8 51. 2 
Length of longest ray of dorsal fin__-_....__..-._--_---- 22.8 20.0 20. 2 20.8 
Length of longest ray of anal fin.__._._.._.....______--- 17.7 16.6 18.2 17.1 
Length of longest ray of pectoral fin__.__________. _-___- 22.0 19.0 17.8 17.6 
Length of longest ray of pelvic fin__._.....__....______-- 18. 4 17.6 19.1 17.6 
Length of longest ray of upper caudal lobe__-._________- 26. 6 25.8 24.0 24.1 
Length of longest ray of lower caudal lobe____-___.-_-- 26. 7 24.0 25. 7 24.1 
STOUL TOA US ee MUNN Ba LOY He AA ede 68.1 70. 4 74.0 70. 8 
FANLUSHFOLAT SL OFS Tee ry LO RP 8.19 7.32 6. 72 6. 60 
Width‘ across lower jaw. 2s2se8 se 5. 73 4,65 5. 81 4, 97 
DPorsal| base to\adipose origin] 2222 Sse a ee 28. 6 28.3 27.8 24.9 
The coloration varies from nearly plain darkish above, paler below, 
to one with two blackish lateral bands on each side and 8 or 9 dark 
Ficure 35.—Parodon suborbitale Valenciennes: U.S.N.M. No. 121295, 105 mm. in standard 
length. 
saddles across the back. In addition, small specimens have very 
short vertical bars along the lateral band. When alive, there were 
two irregular rows of yellow-orange spots along the midsides separated 
by a series of dark, irregular short cross bars or “‘parr marks” along 
