62 Crust . 
X. CRUSTACEA. GIGANTOSTRACA. 
+TRILOBITA. 
[See also Claypole (6), Cleland (7), Foerste (11), Lamplugh (22), 
Raymond (26), Spencer (31), ZelIzko (38).] 
Acidaspis whitfieldi , Marcellus shale, New Jersey, p. 97, pi. vi; Hitchcock, 
Bull. Amer. Mus. xix, n. sp. 
Agnostus agnostiformis, p. 3, pi. i, fig. 1, perrugatus, p. 6, pi. i, figg. 5-7, 
tardus , p. 7, pi. i, figg. 8 & 9; Reed, Tril. Girvan i: A ., notes on 
many spp., p. 46, Jissus var. perrugata n. var., pp. 50 & 209, pi. i, 
fig. 1, lundgreni , var. nana n. var., pp. 51 & 209, pi. i, fig. 2, cicer var. 
forfex n. var., pp. 59 & 210, pi. i, fig. 5, glandiformis , pp. 63 & 210, 
pi. i, fig. 6, var. resecta n. var., pp. 64 & 210, pi. i, fig. 7, kjerulfi, p. 69, 
pi. i, fig. 11, planicauda, p. 71, pi. i, fig. 12, pusillus, p. 77, pi. i, fig. 18; 
Gronwall, Danmarks geol. Unders. (2), No. 13. 
A. giryanensis, Silurian, Girvan, p. 4, pi. i, figg. 2-4 ; Reed, Tril. Girvan i : 
A. elkedraensis , Cambrian, Central Australia, p. 3, pi. ii, figg. 1-4; 
Etheridge, Contr. Pal. S. Australia, No. 13: A. altus , pp. 58 & 209, 
pi. i, figg. 3 & 4, lens, pp. 65 & 210, pi. i, figg. 8 & 9, var. frontosa 
n. var., pp. 66 & 211, pi. i, fig. 10, insularis , pp. 72 & 211, pi. i, fig. 13, 
lingida, pp. 73 & 211, pi. i, figg. 14 & 15, stenorrhachis , pp, 76 & 212, 
pi. i, fig. 16, exaratus, pp. 77 & 212, pi. i, fig. 17, rotundus , pp. 78 & 
212, pi. i, fig. 19, Cambrian, Bornholm; Gronwall, Danmarks geol. 
Unders. (2), No. 13 : n. spp. 
Agraulos ceticephalus, p. 158, pi. iv, fig. 25; Gronwall, t. c. ; A. sarato- 
gensis , p. 118, pi. i, figg. 7-9; Weller, Geol. Surv. New Jersey, Rep. 
Pal. iii. 
A. depressus, Cambrian, Bornholm, pp. 159 & 220, pi. iv, fig. 24; GrOn- 
wall, Danmarks geol. Unders. (2), No. 13, n. sp. 
Ampyx depressus , p. 17, pi. iii, figg. 6 & 7, hornet , p. 19, pi. iii, figg. 8-10, 
macauumi, p. 21, pi. iii, figg. 11 & 12, mammillatus , p. 22, pi. iii, 
fig. 13, var. austini, p. 23, pi. iii, fig. 14, 1 foveolatus , p. 23, pi. iii, 
fig. 15, ‘Iscanicus , p. 24, pi. iii, fig. 16; Reed, Tril. Girvan i. 
A. drummuchensis , Silurian, Girvan, p. 18, pi. iii, figg. 1-5; Reed, t. c. 
n. sp. 
Anomocare excavatum, p. 140, pi. iv, fig. 6, limbatum, p. 140, pi. iv, fig. 5, 
Iceve, pp. 141 & 217, pi. iv, figg. 8 & 9; GrOnwall, Danmarks geol. 
Unders. (2), No. 13. 
A. angelini, Cambrian, Bornholm, pp. 143 & 218, pi. iv, fig. 10; Gronwall, 
t. c. : A. parvula , Cambrian, New Jersey, p. 120, pi. iii, fig. 12; 
Weller, Geol. Surv. New Jersey, Rep. Pal. iii : n. spp. 
Apatokephalus sp., p. 30, pi. iv, fig. 9 ; Reed, Tril. Girvan i. 
Arges tuberculatus , Ordovician, New Jersey, p. 199, pi. xv, figg. 11-13; 
Weller, Geol. Surv. New Jersey, Rep. Pal. iii, n. sp. 
Asaphus ( lsotelus ) gigas , p. 45 [pi. vii, fig. 1]; Reed, Tril. Girvan i. 
A. ( lsotelus ) instabilis , Silurian, Girvan, p. 46 [pi. vii, figg. 2-8]; Reed, 
t. c. n. sp. 
Bathyuriscus howelli, p. 532, fig. 2 ; Woodward, Geol. Mag. (4) ix [err. in 
Zool. Rec. 1902]. 
Bathyurus ellipticus, p. 37 (11), pi. iii, fig. 3 ; Cleland, Bull. Amer. Pal. iv, 
No. 18. 
B. levis , Lr. Silurian, New York, p. 36 (10), pi. iii, figg. 1 & 2; Cleland, 
t. c. n. sp. 
Braehymetopus strzeleckii , p. 193, 2 text-figg. ; Reed, Geol. Mag. (4) x (5) : 
B. “n. sp.,” not named, p. 490, pi. xiv, figg. 5 & 5 a; Drevermann, 
Zeitschr. Deutsch. geol. Ges. liv. 
Bronteus lunatus , p. 198, pi. xv, figg. 14-16; Weller, Geol. Surv. New 
Jersey, Rep. Pal. iii. 
