Vlll 



CONTENTS. 



Page 



*Echinocrepis setigera A. Ag., Plates 



66-69; Figs. 210-213 144 



Plexechiuus A. Ag 148 



*Plexechinus ductus A. Ag., Plates 



55, figs. 3-5 ; 58, figs. 1-4 ; 59 ; 60, 



figs. 1-3; Figs. 214, 217, 218 . . 150 



Ananchytidae Alb. Gras 152 



Urechinidae Lamb, (emend.) .... 152 



Urechinus A. Ag 152 



*Urechinus gigauteus A. Ag., Plates 



72 ; 73 ; 74, figs. 1-5 ; Figs. 221, 224, 



225 152 



Cystechiuus A. Ag 157 



*Cystechinus Loveni A. Ag., Plates 



B, fig. 3; 75-79; Figs. 228-232 . . 158 

 Pilematechinus A. Ag. . Figs. 235-237 163 

 *Pilematechinus Rathbuni A. Ag. , 



Plates 81-86; Figs. 238-240 . . . 165 



Paleopueustidae A. Ag 168 



Palaeotropus Lov 168 



Palaeotropus Loveni A. Ag , Plate 87; 



Figs. 241-246, 248, 250 .... 1('„S 



Argopatagus A. Ag '. 172 



Argopatagus vitreus A. Ag., Plate 91, 



figs. 1-3; Figs. 252, 255, 272 . . 172 



Genicopatagus A. Ag 172 



Genicopatagus allinis A. Ag., Plate 



91, figs. 1-7; Figs. L'54, 255, 273 . 172 



Homolampas A. Ag 175 



*Homolampas liastata A. Ag., Plates 



55, figs. 9^, 10 ; 63 ; 64, fig. 1 ; Figs. 



256-259 175 



Paleopneustes A. Ag., and Linop- 



neustes A. Ag., Plates 92-97 ; Figs. 



255, 260-270, 274, 275, 294 . . . 178 



Phrissocystis A. Ag 186 



*Phrissocystis aculeata A. Ag., Plates 



88-90; Figs. 255, 271, 276 . . . 187 



Brissina Gray 190 



Brissopsis Agasa 190 



*Brissopsis columbaiis A. Ag., Plates 



100. figs. 6, 7; 102, figs. 5-9; 103, 



figs. 1,2; Fig. 277 190 



Toxobrissus Des 192 



Pack 

 *Toxobrissus pacificus A. Ag., Plates 



1H3, figs. 3, 4; 105, figs. 4-6; Figs. 



279, 280 192 



Aerope Wyv. Thorn 194 



* Aerope fulva A. Ag., Plates 55, figs. 



6-8; 61; 62; Figs. 281-283 . . . 194 



Spatagodesma A. Ag 198 



Spatagodesma Dioinedae A. Ag., Plates 



106; 107; Figs. 288-289 . ... 200 



Nacospatangus A. Ag 202 



Nacospataugus gracilis A. Ag., Plate 



98; Figs. 290-293. 295, 296 . . . 202 



Schizaster Agass 205 



*Schizaster latifrous A. Ag., Plate 102. 



figs. 1-4; Figs. 297,303 .... 205 



* Schizaster Townsendi A. Ag., Plates 



100, figs. 1-5; 101; Figs. 301,302 207 



Periaster d'Orb 209 



*Periaster tenuis A. Ag., Plates 103, 

 figs. 5-7; 104; 105, figs. 1-3; Fig. 

 305 209 



A bat us Trosch 211 



Abatus cavernosus Trosch., Plate '.>i> ; 

 Figs. 306-309, 311 211 



Moira A. Ag 214 



*Moira clothe- A. Ag., Plate 109 ; Fig. 

 312 214 



Bathymetrical and Geographical Range 

 of the Panamic and West Indian 

 Echinid Faunas 218 



Bathymetrical Range of the Panamic 

 species of Echini 223 



Geographical and Bathymetrical Range 

 of the Caribean and Panamic Echini 228 



The "West Indian and Panamic Littoral 

 species 237 



The West Indian and Panamic Con- 

 tinental species 238 



The West Indian and Panamic Abys- 

 sal species 240 



Record of Dredging and Trawling 

 Stations of the United States Fish 

 Commission Steamer "Albatross" 

 in the Panamic District .... 242 



