NO. 1764. 



THE VENOMOUS TOADFISHES—BEAX AND WEED. 



517 



Measurements of nine specimens of Thalassophryne dowi. 

 [If less than nine specimens were measured, 1 he exact number is indicated in parentheses.] 



Total length 



Standard length 



Body: 



Depth 



Width 



Depth at ventrals 



Depth of caudal peduncle 

 Head: 



Length 



Width 



Interorbital width 



Snout 



Maxillary 



Mandible 



Orbit 



Dorsal (spinous): 



I distance from snout 



Length of base 



Height of first spine 



Height of second spine... 

 Dorsal (soft): 



Distance from snout 



Length of base 



Height of firs) ray 



Height of longest ray 



Height of last ray . .' 



Anal: 



Distance from snout 



Length of base 



Height of first ray 



Height of longest ray 



Height of last ray . .' 



Caudal: 



Length of middle rays. . . 



Length of outer rays 



Pectoral: 



Distance from snout 



Length 



Ventral: 



Distance from snout 



Length 



Branchiostegals 



Dorsal 



Anal 



Caudal 



Pectoral 



Ventral 



Maximum. 



l.Vl.rm. 

 13. 6 cm. 



. 206 



.177 



.172 

 . 063 



.316 



. 24(1 

 . 089 

 .041 



. 125 



.162 

 . 039 



.280 

 . 104 

 .091 

 .098 



.393 



.1141 

 .082 

 .178 

 .178 



.411 

 .616 



. 000 

 . 005 

 .003 



. 101 

 .125 



.303 



.214 



.194 



. 143 



G 



11-33 



33 



10 



18 



1,2 



Minimum. 



3.9 cm. 



. 155 

 .141 



.149 



. 053 



. 204 

 .192 

 . 055 

 .027 



.110 



. 143 



.(US 



. 24S 

 .071 

 .003 

 .081 



.359 

 .607 

 .048 

 .115 

 . 155 



. 384 



. 589 

 .037 

 .059 

 .044 



.137 

 .051 



. 200 

 .177 



. 101 



. 103 







II 29 



29 



13 



10 



1,2 



Average. 



11.7 cm. (Si 

 9. 5 cm. 



. 189 



. 15S 



. L61 

 .056 



.286 



. 221 

 .003 

 . 032 



.117 



. 157 

 . 020 



.202 

 .095 

 .078 

 .088 



.378 

 . 022 

 . 070 (8) 

 . 139 (S) 

 .088(8) 



.391 

 . 009 



.(US (8) 

 .077 (S) 

 . 057 (8) 



.152(8) 

 .093 (4) 



.286 



.193 



.179 



. 123 







11-31 



30 



14 



17(8) 



1,2 



5 19 in standard length. 



0.33 in standard length. 

 (6.21 in standard length. 

 \5.11 in head. 



3.50 in standard length. 



4.52 in standard length. 



4. 54 in head. 



8.93 in head. 

 (8.55 in standard length. 

 \2.67 in head. 

 (0.37 in standard length. 

 U S3 in head. 



11.0 in head. 



3.82 in standard length. 



3.01 in head. 



3.07 in head. 

 3.25 in head. 



2.05 in standard length. 

 1.61 in standard length. 

 4.09 in head. 

 2.00 in head. 

 3.25 in head. 



2.50 in standard length. 

 1.04 in standard length. 

 5.96 in head. 

 3.71 in head. 



5.02 in head. 



1.88 in head. 



3.08 in head. 



3.50 in standard length. 

 5. is in standard length. 



11.4 

 \5.5 



1.48 in head. 



.59 in standard length. 

 8.13 in standard length. 



.33 in head. 



THALASSOPHRYNE AMAZONICA Steindachner. 



Thalassophrym amazonica Steindachner, Sitzungsb. kaia. A kail. Wiss. Wien., 



vol. 7J. pt. 1, June-Dec, L876, p. 161. 

 Thalassophrym amazonica Meek and Ball, Proc. Acad. Nat. Sci. Phila., 1885, 



p. 54. 



IToad 3f. 1). TI-20. A. IS. P. 13-14. V. I, 2. 



Body rather elongate. Head rather narrow, 1$ longer limn wide. 

 Eyes small. Snout less than interorbital width. Interorbital width 

 twiee eye. Opercular spine long and slender. Mouth oblique, the 

 lower jaw prominent. Teeth conic, more or less blunt, smallest in 



