TR1L0BITA. 
Crust. 63 
Bumastus trentonensis , p. 194, pi. xiv, figg. 8-13; Weller, t. c. 
B. transver sails, p. 195, pi. xiv, fig. 14, elongatus , p. 195, pi. xiv, fig. 15, 
Ordovician, New Jersey; Weller, t. c. n. spp. 
Calymene senaria , p. 203, pi. xv, fig. 23, camerata, p. 250, pi. xxii, figg. 22-25 ; 
Weller, t. c. 
Ceraurus pleurexanthemus, p. 204, pi. xv, fig. 28; Weller, t. c. 
Chasmops eichwaldi, p. 168, pi. v, figg. 1-5; Wiman, Bull. Geol. Inst. 
Upsala v, pt. 2, No. 10. 
Conocoryp/ie divn. into subgen. pp. 84 & 213, sulzeri, p. 91, pi. i, fig. 21, 
cequalis , p. 92, pi. i, fig. 22, ( Erinnys ) venulosa , p. 94, pi. i, fig. 23, 
(. Liocephalus ) impressa , p. 101, pi. i, fig. 25 ; Gronwall, Danmarks 
geol. Unders. (2) No. 13. 
C. ( Ctenophalus ) tumida , pp. 99 & 214, pi. i, fig. 24, ( Liocephalus ) 
Linnarssoni, pp. 102 & 214, pi. ii, fig. 1, teres , pp. 103 & 215, pi. ii, fig. 2, 
Cambrian, Bornholm ; Gronwall, t. c. n. spp. 
Corynexochus spinidosus , p. 139, pi. iv, figg. 3a & 6, 4 ; Gronwall, t. c. 
C. bornholmiensis , Cambrian, Bornholm, pp. 137 & 217, pi. 4, figg. la & b, 2; 
Gronwall, t. c. n. sp. 
Cryphceus cf. laciniatus, p. 32, pi. i, fig. 1, lethaeae , p. 32, pi. i, fig. 2, “ n. sp.,” 
not named, p. 32, pi. i, fig. 3; Walther, N. Jahrb. Min. Beil.-Bd. 
xvii (1). 
Cyphaspis trentonensis , Ordovician, New Jersey, p. 197, pi. xv, figg. 8—10 ; 
Weller, Geol. Surv. New Jersey, Rep. Pal. iii, n. sp. 
Dalmanites idrichi , p. 278, pi. xv, figg. 18a-c; Katzer, Geol. Amazon: D. 
pleuroptyx, pp. 295 & 322, pi. xxxii, fig. 1, pi. xxxix, figg. 9 & 10, D. 
dentatus , p. 339, pi. xliv, figg. 1-3; Weller, Geol. Surv. New Jersey, 
Rep. Pal. iii. 
JD. aspinosa, Silurian, New Jersey, p. 252, pi. xxii, fig. 15; Weller, t; c. 
n. sp. 
Dikelocep halus newtonensis, Cambrian, New Jersey, p. 121, pi. iii, figg. 1-7 } 
Weller, t. c. n. sp. 
Dinesus , p. 154, ida, p. 155, pi. xxvi, figg. 8-10; Gregory,’ P. Soc. 
Victoria xv (2). 
Dionide lapworthi , p. 25, pi. iv, figg. 1 & 2 ; Reed, Tril. Girvan i. 
D. richardsoni , Silurian, Girvan, p. 26, pi. iv, figg. 3-8 ; Reed, t. c. n. sp. , 
Doropyge danica, pp. 134 & 216, pi. iii, figg. 7-12, oriens , pp. 135 & 216, 
pi. iii, figg. 13-15, Cambrian, Bornholm; Gronwall, Danmarks geol. 
Unders. (2) No. 13, n. spp. 
Encrinurus trentonensis , p. 202, pi. xv, figg. 26 & 27 ; Weller, Geol. Surv. 
New Jersey, Rep. Pal. iii: E. seebachi , p. 169, pi. v, figg. 6 & 7; 
Wiman, Bull. Geol. Inst. Upsala v, pt. 2, No. 10. 
Griffithides seminifer , p. 340, pi. xv, fig. 19; Parkinson, Zeitschr. Ueutsch. 
geol. Ges. Iv : G. freehi , p. 434, pi. xix, figg. 5 & 6, damesi, p. 434, 
pi. xix, fig. 7 ; Schumacher, t. c. 
G. ( Phillipsia ) tapajotensis , Permo-carboniferous, Lower Amazon, p. 268, 
pi. iv, figg. 8«-c; Katzer, Geol. Amazon, n. sp. 
Harpes Jlanagani, p. 8, pi. ii, figg. 12, 12a, II. spp. pp. 9 & 10, pi. ii, 
figg. 13 & 14; Reed, Tril. Girvan i. 
Harpina ottawensis , p. 191, pi. xiv, figg. 1 & 2; Weller, Geol. Surv. New. 
Jersey, Rep. Pal. iii. 
Harrisia parabola , p. 37 (11), pi. iii, figg. 4 & 5; Cleland, Bull. Amer. 
Pal. iv, No. 18. 
Homalonotus vanuxemi , pp. 321 & 338, pi. xxxix, figg. 7 & 8, pi. xliv, 
figg. 4-7; Weller, Geol. Surv. New Jersey, Rep. Pal. iii. 
H. barratti, Devonian Slates, Cornwall, p. 28; Wqodward, Geol. Mag. 
(4) x, n. sp. : 
lllcenurus Columbiana , Ordovician, New Jersey, p. 133, pi. v, figg. 1-4; 
Weller, Geol. Surv. New Jersey, Rep. Pal. iii, n. sp. 
