INDEX 
Zo 
Anchovy, 564 
Ancylodon, 663 
Ancylostylus, 549 
Andersonia, 588, 589 
Andrews, 113 
Anema, 706 
Angel-Shark, 456 
Angler, 718 
Anguilla, GOL; <A. vulgaris (Common 
Eel), 601 ; larva, 602 ; red glands, 307 ; 
renal portal circulation, 319, 320 
Anguillidae, 600, 163, 405, 649 n. 
Anodonta, Rhodeus in, 584 
Anogmius, 549 
Anomalopidae, 660 ; photophores, 178 
Anomalops, 660 
Anomalopterus, 570 
Anoplarchus, 709 
Anoplogaster, 656, 655 
Anoplopoma, 697, 693 
Anoplopterus, 588 
Anostominae, 576 
Anostomus (Characinidae), 576; (Mugi- 
lidae), 640 
Ansorge, 560 
Antennariidae, 720, 718 
Antennarius, 720; nest, 4143 A. hispi- 
dus, scales, 191; A. marmoratus, 720 ; 
scales, 191 
Anthias, 659, 660 
Antiarchi, 532 f., 149 
Antigonia, 667 
Antimora, G48 
Anurella, 78; development of, 78; A. 
roscovita, larva, 78 
Apateodus, 611 
Apeltes, 630 
Aphanopus, 679 
Aphareus, G60 
Aplia, 689 ; A. pellucida, 690 
Aphiocharax, 575 
Aphoristia, GST 
A phredoderus, 
656 
Aphyonus, 712, 713 
Apistus, 695, 692 
Aplidium, 88; A. zostericola, stomach, 
88 
Apodes, 599 f., 306 
Apodichthys, 711 
Apogon, 660 
Apolectus, 677 
Apostasis, 668 
Appendicularia, 68, 37 ; A. sicula, 66 
Appendicularians, 64 
Appendiculariida, 65, 66 
Appendiculariidae, GS, 38 ; nervous system, 
53 
Appendix digitiformis, 276 
Aprion, 660 
Aprionodon, 448 
Apua, 582 
656, 655; A. sayanus, 
Aracanda, 724 
Arapaima, 557 3 A. gigas, 556, 558 
Arch-centra, 196 
Archaeomaenidae, 545, 544 
Archaeomenes, 545 
Archaeoteuthis, G69 
Archaeus, 677 
Archenteron, 20, 56, 130, 132 
Archeobatis, 446 
Archinephric duct, 397, 398 
Aretoscopus, 668 
Argenteum, 168 
Argentina, 565, 569 
slrges, 595 
Arginae, 595 
Argyriosus vomer, 863 
Alrgyropelecus, 571 
Ariscopus, 706 
Aristotle, 36 
Arius, 588, 587, 589; A. australis, 593 ; 
deposition of eggs, 415; A. commer- 
sonit, 593 
Armed Bullhead, 700 
Arnoglossus, 687 
Arripis, 663 
Arthrodira, 535 f., 149 
Arterial system, 329 f. 
Artificial pearls, 167 
Ascelichthys, 698 
Ascidia, 72, 73; structure, 39 f., 43, 45 ; 
test, 40, 41; body-wall, 42; mantle, 
42; branchial cavity, 43, 48; atrial or 
peribranchial cavity, 43 ; other cavities 
of body, 443 tentacles, 44; endostyle, 
46 ; branchial sac, 47 ; heart and cireu- 
lation, 49, 51; blood, 49 ; neural gland, 
52; dorsal tubercle, 52; nervous sys- 
tem, 533 sense-organs, 53; alimentary 
canal, 54; renal organ, 54; reproduc- 
tive organs, 55; embryology and life- 
history, 55, 57, 60 ; metamorphosis, 61 ; 
A. challengeri, dorsal tubercle, 79; A. 
mentula, structure, 39 f., 40; test, 42 ; 
endostyle, 46; pharynx, 47; nervous 
system, 52; larva, 78 ; A. meridionalis, 
dorsal tubercle, 79; <A. pyriformis, 
dorsal tubercle, 79; A. translucida, 
dorsal tubercle, 79 ; A. virginea, 39 f. 
Ascidiacea, 70 f., 64 
Ascidiae Compositae, SO f., 64; structure, 
81 
Ascidiae Luciae, 90 f., 86 
Ascidiae Simplices, 7Z f. 
Ascidians, 35, 64, 70 
Ascidiella aspersa, TT 
Ascidiidae, 72, 64, 110 
Ascidiinae, 72 
Ascidiozooids, 35, 84 
Ascopera gigantea, 
dorsal tubercle, 79 
slsineops, 656 
Aspidophora, 5 n. 
branchial sac, 177; 
