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TABLE OF CONTENTS. 



Page 

 I. DESCIUI1IOXOFTHE8PECIE.SCOLLECTKDBYTHE".\LBATR08S" . . .267 



EnvLiDAE 267 



Erylus 268 



E. oxyaster (Plate 3, figs. 29-35; Plate 4, figs. 1-J3) 268 



E. soUasii (Plate 1, figs. 1-18; Plate 2, figs. 1-26; Plate 3, figs. 1-28) . . .272 



E. rotunrlus 200 



var. megarhalxia (Plate 5, figs. 18-23, 32; Plate G, fig.s. 14, 18, 21, 33-35; 



Plate 7, figs. 22-30, 57-73; Plate 8, fig. 13) 309 



var. typica (Plate 5, figs. 1-4, 11-17, 30; Plate 6, figs. 1.5-17, 25, 27, 30-32; 



Plate 7, figs. 16-21, 46-56) 309 



var. cidaris (Plate 5, figs. 5, 20-28, 31; Plate 7, figs. 1-10, 42-45, 75, 76, 79; 



Plate 8, fig. 14) 310 



E. caliculatus (Plate 5, figs. 6-10, 24, 25, 29; Plate 6, figs. 1-13, 19-23, 26, 28, 29; 



Plate 7, figs. 11-15, 31-41, 74, 77, 78, 80; Plate 8, figs. 1-12, 15-20) . 310 



II. f !ENER.\L SYSTEMATIC ACCOUNT OF THE GENERA, SPECIES, AND VARIETIES 



FRO.MTHE P.UTFICOCE.AJSf 316 



Ekymjs ............... 316 



Summary of the species found in the Pacific Ocean . . .316 



E. placenta .............. 317 



E. monticularis . . . . . . . . . . .317 



E. decumbens . . . . . . . . . .317 



E. o.xyaster .............. 318 



E. nobilis .............. 318 



E. .solia.sii .............. 318 



E. rotundus .............. 319 



var. megarhabda ............ 320 



var. typica ............. 320 



var. cidaris ............. 320 



E. caliculatus 321 



III. DISTRIBUTION 322 



IV. LIST OF ST.\TIONS 323 



V. EXPLANATION OF THE PL.\TES 



