[1921] 
IX. Crustacea. 
Crust. 25 
Balanus engbergi sp. n. Olga, Wash- 
ington p. 113 pi. xx text-fisgl., cariosu 
p. 112 pi. xx, Pilsbry Proc. U.S. Nat. 
Mus. 59; B. galeatus p. 430 text-figs., 
Gravier 66 ; Balanus p. 306, {Mega- 
balanus) tulipiformis p. 308, {Balanus) 
eburneus p. 309, improvisus p. 310, 
amphitrite communis p. 311, amphilrite 
albicostalus p. 314, amphitrite cirratus 
p. 316, amphitrite niveus p. 318, trigonus 
p. 319, laevis p. 321, crenatus , glandula 
p. 326, {Semibalanus) balanoides p. 328, 
{Chirona) amaryllis p. 329 pi. iii, 
{Auslrobalanus) jlosculus sordidus p. 330, 
{Conopea) proripiens p. 331, scandens 
p. 334, acutus sp. n. Japan p. 334, 
{Armatobalanus) arcuatus p. 337, quad- 
rivittatus p. 339 pi. iii, longiroslrum 
p. 340, text-figs, most spp., Nilsson- 
Cantell Zool. Bidr. Uppsala 7. 
Calomerus subs. n. of Catophragmus 
q. v. 
Catophragmus {Calomerus subg. n.) 
polrjmerus p. 335, Pilsbry Bui. U.S. 
Nat. Mus. 93. 
Chelonibia tesludinaria p. 369 text- 
fig., Nilsson-Cantell 113. 
Chelonibiinae p. 368, Nilsson-Can- 
tell 113. 
Chthamalidae p. 274, Nilsson-Can- 
T13LL 113. 
Chthamalus p. 274, key to spp. p. 276, 
challengeri p. 279, stellatus stellatus p. 
281, dentatus p. 282, antennatus p. 285, 
scabrosus p. 287, hembeli p. 290, appellofi 
sp. n. S. Atlantic p. 292 pi. iii, withersi 
p. 295 caudatus p. 296, text-figs, all spp., 
Nilsson-Cantell Zool. Bidr. Uppsala 
7 , 
Conchoderma auritum p. 240, text- 
fig., Nilsson-Cantell 113. 
Coronula diadema p. 371 text-fig., 
Nilsson-Cantell 113. 
Creusia spinulosa var. 6 (Darwin) 
p. 352 text-fig., var. 7 (Darwin) p. 354, 
Nilsson-Cantell 113. 
Dichelaspis sociabilis sp. n. Somaliland 
p. 428 text-figs., Gravier Bui. Mus. 
Paris 1921. 
Elminius kingii p. 348, modestus p. 
351, text-figs., Nilsson-Cantell 113. 
Heleralepas {Hcteralepas) japonica 
p. 246 pi. iii, {Paralepas) pcdunculala ? 
p. 249, typica sp. n. p. 250 pi. iii, text- 
figs., Nilsson-Cantell Zool. Bidr. 
Uppsala 7. 
Heteralepadidae £am. n. {Lepado- 
morpha) p. 245, Nilsson-Cantell Zool. 
Bidr. Uppsala 7. 
Ibla cumingi p. 222, quadrivalvis p. 
224, text-figs., Nilsson-Cantell 113. 
Iblidae p. 221, Nilsson-Cantell 113. 
Lepadidae p. 233, Nilsson-Cantell 
113. 
Lepas fascicular is p. 238, fascicular is 
aurivillii subsp. n. Siam p. 238, anseri- 
fera p. 234, pectinala p. 235, text-figs, 
all spp., Nilsson-Cantell Zool. Bidr. 
Uppsala 7. 
Litholrya truncala p. 213, iruncala 
longicaudata subsp. n. p. 216, nicobarica 
p. 219, text-figs, all spp., Nilsson- 
Cantell Zool. Bidr. Uppsala 7. 
Mitella polymerus p. 112 pi. xx, 
Pilsbry 123. 
Octomeris p. 298, brunnea p. 299, pi. 
iii, intermedia sp. n. S. Atlantic p. 303 
pi. iii, angulosa p. 299, text-figs, all spp., 
Nilsson-Cantell Zool. Bidr. Uppsala 
7. 
Oxynaspidae p. 225, Nilsson-Can- 
tell 113. 
Oxynaspis bocki sp. n. Japan p. 228, 
celala p. 226, aurivillii p. 231, text-figs., 
Nilsson-Cantell Zool. Bidr. Uppsala 
7. 
Platylepas decorata p. 376 text-fig., 
Nilsson-Cantell 113. 
\Plumulites eslhonicus sp. n. Mid. 
Ordovic., Esthonia, p. 123 fig., Withers 
Ann. Mag. Nat. Hist. Ser. 9 8. 
Poecilasma p.253, {Poecilasma) kaemp- 
feri p. 254, {Glyptelasma) carinaium 
p. 258, {Temnaspis) lenticula p. 259 
pi. iii, amygdalum p. 262, amygdalum 
madagascariense subsp. n. Madagascar 
p. 264 pi. iii, vagans p. 267, text-figs, 
all spp., Nilsson-Cantell Zool. Bidr. 
Uppsala 7. 
Pollicipes p. 162 mitella p. 163 pi. iii, 
polymerus p. 165, Nilsson-Cantell 113. 
Pyrgoma milleporae p. 355 grande 
p. 357, Nilsson-Cantell 113. 
Sacculina p. 29, Tatters all 155. 
