818 



GENERAL INDEX. 



(PI. XXXVUI, figs. 



Agaricocrinus elegans, 500. (PI. XL, figs. 3a, b.) 



eris, 481. 



excavatus, 489, 491. (PI. XXXDC, 



figs. 3-5.) 

 fisoellus, 512. 



3a-c.) 



geometricus, 508. 



germanus, 505. 



Gorbyi, 495. 



graciHs, 513. (PI. XLI, figs. 3a-c.) 



helice, 481. 



indianensis, 495. 



inflatus, 502. (PI. XLI, figs, la-d.) 



. Macadamsi, 498. 



nodosus, 489, 493. (PI. XLHI, fig. 9.) 



nodulosus, 497. (PI. XL, fig. 2 ; XLIII, 



figs. 7a, b.) 

 var. Maoadamsi, 498. (PI. XXXIX, 



fig. 6.) 



ornotrema, 506. 



pentayonus, 493, 495, 509. 



var. convexus, 508. 



planoeonvexus, 503. (PI. XXXVIH, 



figs. 6a-c.) 

 pyramidatus, 512. (PI. XXXVIII, figs. 



4a-5o.) 



(PI. XLVI, fig. 5.) 

 (PI. XL, figs, la-c.) 



(PI. XXXVIII, figs. 



(PI. XLIL fig- 3; 



Sampsoni, 505. 



splendens, 495. 



Springzri, 510. 



stellatns, 508. 



7a-e.) 



tuberosus, 490. 



^WMtfieldi, 496, 



XLIII, figs, 8a, b,) 

 Wortheni, 488, 490, 493. (PI. Ill, fig. 22 ; 



XXXIX, fig. 9 ; XL, figs, 5a-cl,) 

 Agassizoerinus, 17, 45, 59, 145, 

 " Albatross" dredgiiigs, 28. 

 Allagecrinus, 28, 78, 87, 89, 92, 150, 172. 



Carpenteri. (PI. VIII, fig. 11.) 



AUocrinus, 124, 265, 267, 306. 



Benedicti, 308. (PI. XXIV, figs. 8a, b.) 



_ typus, 307. (PI. XXIV, figs. 7a, b,) 



AUoprosalloorinus, 361, 406, 414, 430. 



conicus, 407, 431. (Pi. XLII, figs, 



14a-c.) 



■ depressus, 407. 



eiicomis, 407, 430. 



■ Ourleyi, 407. 



Alternate arrangement of parts below radials, 



60. 



Ambulacra, 35,99, 100, 104, 120, 155. 



of Camerata, 100, 107, 114. 



of Fistulata, 99. 



of Ichthyocriuidai!, 101, 123. 



of Larviformia, 101. 



of Recent Crinoids, 101. 



Ambulaoral canal, 100. 

 Ambulacral plates, 35, 101, 119. 

 Ambulaoral skeleton. (PI. IV, fig. 9 ; PI. V, 



figs. 1 and 10.) 

 Ambulacral vessels, 36. 

 Americanus group, 686. 

 Amphora, 586. 

 Amphoracrinus, 85, 454, 483, 486, 550, 554, 



586. 



americanua, 488. 



bellatrema, 506. 



concavus, 482. 



divergens, 588. (PI. LXII, figs. 5-10.) 



var. multira'inosus, 588, 590. 



excavatus, 491. 



Gilbertsoni, 587. 



inflatus {Hall, 1S60), 591. 



inflatus (Hall, 1861), 502. 



jerseyensis, 587. 



planobasiUs, 588. 



planoeonvexus, 503. 



quadrispinus, 588. 



spinobracMatus, 591. (PI. LXII, figs. 



1-4.) 



subturbinatus, 466. 



viminaUs, 587, 590. (PI. L^^ fig. 8.) 



Anal plates, 17, 33, 105, 124, 139, 147, 165, 



364. 



development of, 131. 



special or first (PI. X), 34, 125, 147. 



Anal tube, 35, 134. 



abnormal growths of, 135. (PI. W, figs. 



9-17.) 

 An-ambulacral plates, 35. 

 Anchylosis, 37. 

 Ancyrocrinns, 45, 50. 

 Anisocrinus, 77. 

 Anomalocrinus, 41, 57, 67, 71, 78, 116, 130, 



158. 



■ caponifprmis, 746. 



Antedon, 82, 147, 153. 



Pentacrinoid larva of, 152. (PI. VI, figs. 



13-15.) 



regaUs, 107. 



rosacea, 64. (PI. VI, figs. 18, 19.) 



