INDEX OF SPECIES, ETC., IN VOL. VI. 
Acanthias vulgaris, 384, 396. | Anacanthini, 392. 
Acanthopterygii, 385. | Anacyrtus guatemalensis, 394, 403, 406, 479. 
Acanthurus chirurgus, 387. Ancistrus cirrhosus, 384. 
Acara ceruleopunctata, 384, 391, 405, 449. | Anhingas, 512. 
Acronuride, 387. Anisotremus teniatus, 414. 
Atlurichthys dorsalis, 405. Antennarius leopardinus, 388, 439. 
nuchalis, 393, 476. tenuifilis, 388, 440. 
panamensis, 383, 393, 405, 476. Anthropoides, 503, 510, 511. 
Apyornis, 70. stanleyanus, number of vertebre in, 
Aétobatis latirostris, 397, 491. 511. 
Agonostoma microps, 389, 403, 444. | Aphoristia ornata, 392, 473. 
monticola, 390, 405, 445. | Apogon dovit, 385, 413. 
nasutum, 384, 390, 404, 405, 444. | inermis, 413. 
Agonus, 517. Aptenodytes, 70, 76. 
Albula conorhynchus, 395. Apteryx, 68, 74, 76, 517. 
Alea impennis, 70, 76. 
Aleuteres monoceros, 396. 
Aptornis, 70, 79. 
otidiformis, 78. 
Alligator, 160, 162, 168. «* Aquez palin,” 145. 
cuvieri, 168. ’ | Ardeine, 503, 504. 
cynocephalus, 160, 163. | Argyriosus setipinnis, 388. 
gibbiceps, 166. vomer, 388. 
—— lucius, 128 note, 168. Arius assimilis, 393, 404, 475. 
cerulescens, 393, 403. 
dovii, 383, 393, 476. 
guatemalensis, 393, 403. 
melanopus, 393, 404, 
—— multiradiatus, 384, 393, 405. 
—— platypogon, 393, 403. 
seemannt, 393. 
troschelit, 383, 393. 
—— mississippiensis, 128 note, 168. 
—— niger, 128 note, 163. 
palpebrosus, 154, 167. 
—— punetulatus, 161, 165. 
sclerops, 160, 162, 163. 
Alligator, banded, 167. 
, rough-backed, 167. 
Alligatoride, 130, 160. 
Alphestes afer, 411. Ateles, 214. - 
Amblyopus brevis, 389, 441. Atherinichthys pachylepis, 389, 443. 
Amblyscion argenteus, 383, 425. guatemalensis, 389, 443. 
America, Central, fishes of, 377-491. Atherinide, 389. 
— , fish-proyinces of, 403-406. | Atractosteus tropicus, 383, 490. 
—— ——, list of fishes of, 385-397. Auchenopterus monophthalmus, 442. 
—— ——,, topographical features of, 378-381. Bagrus ? arioides, 384. 
Amia, 506. : Bairdiella armata, 383, 428. 
Amiurus meridionalis, 393, 404, 473. Balena, 44, 45, 115. 
Anableps dovii, 394, 403. ——, cervical vertebre of, 328. 
VOL. VI.—PART VIII. 4D 
