284 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 95 
TABLE 11.—Counts made on species of Characidium 
Number of gill rakers 
Number of fin rays on first gill arch 
i . Above Below 
Species Dorsal Anal Pectoral Pelvic angle angle 
iii, iii, |iii, |iii, Jiii, |iii, |i1i, | iii, | iii, | iii, |iii, |iii, | iv, | iv, |i, 7|i, 8]i, 9]ii,6} 5 | 6 | 7 | 819 }10 
8} 9/10;}6)7);817}] 8 |9/10)11)12} 8 |9 
me | | | | | | | | | | | | | | | | | | | 
chupa chupa.---|--- TR} eel eee UPTV WT PaaS Se EDN fae 16 | 4}---}3)2]/1/)2]3] 1 
LOY NB TORT IO col DI Pees OW Veeciess|[sestles) 771) © Nacsalbsselises ois | ere | eee | aloe Woe ah phy a 
voladorita____---- WO ab I) eectloos hbo Cn UY acl so | AL Pe 18) 1) 93 Wea Th 3 esky Ht 
caucanum 1_____|--- ioctl Ooh HAaS ese Raat bts Hl ce Se bara By (a ak 13 Nocalles WW see ab Sh oo 
fasciatum ?_..---|--- Sy Se Se eee ee PANN Sa 0d PES LA YG a WOU PU: Pera | ey bl a Ee Pa a 
laterale 3_____---|--- a ORATT Z2 | eeseH  EAR | URIS Pet P| Tt he Mh eee | aed | ACA) sgh Polka ae ba Sea sua Ta 
blennioides 4__.-- Rp eh TY ph | ae a BAT ET EC VRE TS | A Sa | PAI ane BeOS IN aL Ns OE 
1U.S.N. M. Nos. 791838, 120146, 120145, 120144, and 120209 and Ind. Univ. No. 12704. 
2U.S. N. M. Nos. 44950 and Lititken’s figure. 
3 Indiana Univ. Nos. 11674 and 11673, cotypes of vintoni and laterale, respectively. 
U.S.N. M. No. 66129, cotype of blennioides. 
Number of scales 
Species Rows crossing lateral] line Above lateral line | Below lateral line In fr onto dorsal 
30 | 31 | 32 | 33 | 34 | 35 | 36) 37) 3 (34) 4 14%] 5 12%! 8 1336) 4 | 9 | 10) 11/12/18 
— | | Se | | | | | | | | || | | | | | S| | 
chaparchupas. 22s |e seo ee- PHC BO tina Yi We: St Lak Lie a HS a CPG pe Rives af Pe (ee ec 4;2/] 1 
CHUDALOLDESENSES)| 2 | ea | eres een | Ar i| eee eceae  e Hasta Le agethcesT Mesa) Ean UN Med i di Becta alia 4) 1 
voladorita__...--- PS BG Ni eer Yc | TRS er Fa i en | | Ba eee pe a hg HS BU Wont 
caucenum.....--|---|--- PAN BW Wy, Be ses SEM Ri oiill Wh Lin | meetin | uocee Aa Wecee |e PY BS WPF eee 
OSCULLUL TI creme: as | een IU Hi Baal sek Vo We asap a ODS iHit a | nat oy | Sets NRL | SS | (aed LU Bi ieee ane 
LOL Le isdn eee A Nh TIN ape aH is ee a Ua 5 BY pease PN NSS PAS Ea Bees TRL et 1 Bit pea eae 
DET Odes ae ees oe |e | aes |e Oe as oe a ZA aa 1M eae IE A AD er | Ural 1 i 
Length of head 26.9 (25.8); greatest depth of body 28.4 (23.8); 
diameter of eye 5.41 (6.32); length of snout 7.82 (7.34); length of 
maxillaries 7.06 (6.54) ; postorbital length of head 16.2 (16.7); width of 
interorbital space 6.01 (6.54); least preorbital width 2.56 (2.28); 
least depth of caudal peduncle 12.5 (12.9); length of caudal peduncle 
from base of last anal ray to midbase of caudal fin 16.8 (19.0); distance 
from tip of snout to dorsal origin 46.3 (47.0); snout to adipose origin 
83.2 (83.5); snout to anal origin 79.0 (77.2); snout to pectoral inser- 
tion 22.0 (25.6); snout to pelvic insertion 56.2 (54.4); snout to anus 
73.0 (71.9); length of longest ray of dorsal fin 18.9 (21.3); longest ray 
of anal fin 17.4 (19.5); longest ray of pectoral fin 25.7 (25.8); longest 
ray of pelvic fin 21.2 (22.8); longest ray of upper caudal lobe 23.6 
(26.6) and of lower caudal lobe 24.5 (26.6). 
The following counts were made, respectively, on the holotype and 
paratype: Dorsal rays iii, 9 (iii, 9); anal iii, 7 (iii, 7); pectoral in, 
