Zapornia nigrolineata, viii. 94. 
—— spilonota, ix. 500. 
Zebbug Cave, Malta, fossil birds from, vi. 119-124. 
three extinct Elephants from, vi. 227-306. 
Zebrilus pumilus, ix. 240. 
Zenaida galapagensis, ix. 458, 460, 464, 467, 499. 
Zeocephus rufus, ix. 183, 250. 
Zeus aper, ti. 183. 
childrenit, ii. 183. 
faber, li. 183, 200 ; iii. 72. 
Ziphioid Whales, contributions to the knowledge of 
the existing, vili. 203-234; x. 415-438. 
Ziphiorrhynchus eryptodon, viii. 208. 
Ziphius australis, viii. 224. 
cavirostris, viti, 206-208, 224; x. 419, 425, 
429. 
eryptodon, vertebral formula of, vi. 348. 
gervaisit, viii. 207. 
—— indicus, viii. 208. 
—— layardi, viii. 211; x. 416. 
sechellensis, x. 416, 
sowerbyi, vill. 210. 
—— (Dolichodon) layardi, x. 416. 
Zonilia abyssinica, ix. 596. 
acuta, ix. 547. 
—— enopion, ix. 622. 
—— equivalens, ix. 630. 
antipoda, ix. 625, 
—— argeniifera, ix. 622. 
chiron, ix. 624. 
—— comma, ix. 623. 
—— densoi, ix, 622. 
98 
Zonilia fo, ix. 612. 
—— fumosa, ix. 553, 
—— funebris, ix. 624. 
—— malgassica, ix. 623. 
metapyrrha, ix. 625. 
mivtura, ix. 545. 
morpheus, ix. 624. 
—— peneus, ix, 623. 
—— rhadama, ix. 625, 630, 
—— schimperi, ix. 625. 
subvaria, ix. 624. 
vau, ix. 625. 
viridescens, ix. 623. 
zebu, 1x. 625, 630. 
Zonenas radiata, viii. 84. 
Zonotrichia coronata, ix. 491, 506. 
galapagoensis, ix. 462, 463, 491, 506 
Zosterops abyssinica, vii. 239. 
atrifrons, viii. 72, 108, 
euryophthalma, vii. 324, 
intermedia, viii. 72, 108. 
—— flava, ix. 199. 
melanura, ix. 199. 
meyent, ix. 199, 251. 
nigrifrons, viii. 72. 
palpebrosa, ix. 199. 
parvula, ix. 199. 
—— simplex, ix. 199. 
Zygena malleus, ii. 195 ; x. 440, 482. 
, dorsal fin of, x, 439; pectoral and ven- 
tral fins of, x. 440, 
—— tiburo, vi. 396. 
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