MALACOSTRACA. 
Crust . 25 
Potamon , key to subgroups of species, p. 299, ibericum , p. 301, hydro- 
dromum , aurantium , p. 302 ; Ortmann, c. 
Potamonautes , subg. of Potamon, p. 303, key to species, p. 304 ; Ortmann, 
c. 
Potamonidce , key to subfam. and genera, p. 295 ; Ortmann, £. c. 
Potamoninw , n. n. for subfam. of Potamonidce , p. 298 ; Ortmann, tf. c. 
t/Vosopcm keraldicum, Willamowitz, p. 58, pi. vi, fig. 13, longum , Koniakau, 
p. 59, pi. vi, fig. 11, mirum , Kotzobenz, p. 60, pi. vi, fig. 14, fraasi , 
Willamowitz, p. 63, pi. vi, fig. 17, ovale, Stanislowitz, p. 65, pi. vi, 
fig. 16, hokeneggeri, Koniakau, p. 65, pi. vi, fig. 18, latum, Koniakau, 
p. 66, pi. vi, fig. 20, complanatiforme, Kotzobenz, p. 66, pi. vi, fig. 19, 
Mcericke, Palceontogr. Suppl. ii, 1897, n. spp. 
P. oxytliyreiforme , Wischlitz, p. 57, pi. vi, fig. 10, paradoxum, Wischlitz, 
p. 58, pi. vi, fig. 12, ornatum, Willamowitz, p. 60, pi. vi, fig. 15, 
angustum, Koniakau, p. 61, punctatum, Kotzobenz, p. 62, pi. vi, fig. 23, 
pustulosum , Tierlitzko, p. 63, marginatum, Koniakau, p, 64, pi. vi, 
fig. 22, complanatum , Tierlitzko, p. 67, grande, Kotzobenz, p. 67, pi. vi, 
fig. 21, bidentatum, p. 68, polyodon, p. 69, Stramberg; Mcericke, 
Palieontogr. Suppl. ii, 1897. 
Pseudothclphusa ecuadorensis , Quito, p. 58, lindigiana, Bogota, p. 59, 
bisuturalis , Guatemala, p. 60, tubcrcidata, Guatemala, p. 61, Rathrun, 
Bull. Mus. Paris, 1897. P. henrici , Rio Santiago, p. 1, conradi, Rio 
Santiago, p. 3, gracilipcs, Rio Santiago, p. 4, Nobili, Boll. Mus. 
Torino, xii, No. 275 : n. spp. 
Quadrella coronata, distribution, p. 210; Ortmann, Zool. Jahrb. Syst. x. 
t Ranina griesbachi, Cretaceous of Baluchistan, Khattan, p. 78, pi. xxii, 
fig. 4, Ncetling, Mem. geol. Surv. India, ser. xvi, vol. i, pt. 3, n. sp. 
Rathbunia festce , Darien, description and fig., p. 2 ; Nobili, Boll. Mus. 
Torino, xii, No. 280. 
Remipes scutellatus , Jamaica, p. 41 ; Rathbun, Ann. Inst. Jamaica, i. 
Sabinea septemcarinata, p. 434, pi. xx, figg. 6-65, sarst, p. 435, pi. xx, 
figg. 7-7 b ; Birula, Annuaire Mus. St. Petersb. 1897. 
Sclerocrangon boreas, p. 431, pi. xx, fig. 8, fcrox , p. 433, pi. xx, fig. 9 ; 
Birula, t. c. 
Scyllarus cequinoctialis, Jamaica, p. 43; Rathbun, Ann. Inst. Jamaica, i. 
S. sqitamosus, discussed and key to genus, p. 268 ; Ortmann, Zool. 
Jahrb. Syst. x. 
Sergia, key to spp., p. 260, meyeri , p. 259 ; Ortmann, t. c. 
Sesarma eatenata , New Zealand, p. 334, pi. xvii, fig. 9, Ortmann, t. c . ; 
/S', eulimene, Natal, p. 157, pi. xv, fig. 1, Weber, t. c . ; S. kanseni, W. 
Indies, p. 92, Rathbun, P. Soc. Washington, xi : n. spp. 
S. cinerea, p. 329, chiragra , n. n. for S. recta , recta, p. 331, recticulata, 
p. 333; Ortmann, Zool. Jahrb. Syst. x. S. dentifrons, p. 110, figg. 6 
& 7 ; Man, Mt. Mus. Hamburg, xiii. Synopsis of American spp. S. 
miersii, n. n. for stimpsonii, p. 91 ; Rathbun, P. Soc. Washington, xi. 
S. ricordi, p. 30, roberti, p. 31, bidentata , curagaoensis, p. 33, Jamaica; 
Rathbun, Ann. Inst. Jamaica, i. 
Spelceophorus nodosus , Jamaica, p. 37 ; Rathbun, t. c. 
Stenocionops furcata, Jamaica, p. 6; Rathbun, Ann. Inst. Jamaica, i. 
Stenorhynchus Sagittarius, Jamaica, p. 4 ; Rathbun, t. c. S. rostratus, 
p. 447 ; Birula, Annuaire Mus. St. Petersb. 1897. 
Sympagurus , genus discussed, p. 131, table of spp., p. 133, grimaldii , 
Azores, p. 134, Edwards <x Bouvier, Bull. Soc. zool. Franco, xxii, 
n. sp. 
Telphusa platycentron , E. Africa, p. 81, Hilgendorf, SB. Ges. naturf. 
Berlin, 1897, n. sp. 
T. socotrensis, p. 84 ; Hilgendorf, t. c. T. perlata, S. Africa, p. 156 ; 
Weber, Zool. Jahrb. Syst. x. 
