GIGANTOSTRACA.—TITLES. 
Crust. 55 
GIGANTOSTRACA 
(XIPHOSURA, TRILOBITA, EURYPTERIDA). 
I. TITLES. 
1. Beecher, C. E. On the Validity of the Family Bohemillidce Barrande. 
Amer. Geol. xvii, pp. 360-362, 3 figg. 
2. -. Discovery of Eurypterid Remains in the Cambrian of Missouri. 
Amer. J. Sci. (4) xii, pp. 364-366, pi. vii. 
3. -. Discovery of Eurypterid Remains in the Cambrian of Missouri. 
Geol. Mag. (iv) viii, pp. 561-564, 1 fig. in text. 
4. Bleicher, —. Sur la decouverte d 5 un nouvelle espece de Limule dans 
les marnes irisees de Lorraine. Bull. Soc. Nancy (2) xiv, pp. 116-126, 
1 pi., 3 figg. 
5. Bownocker, J. A. The Palaeontology and Stratigraphy of the Cor- 
niferous Rocks of Ohio. Bull. Denison Univ. xi, pp. 11-40, pis. 
ii-viii. 
6. *Clarke, J. M. As Trilobitas do Grez de Erere e Maecuru. Estado 
do Para, Brazil. Arch. Mus. Rio Jan. ix, 1896, pp. 1-58, 2 pis., 
2 figg. 
7. Crosby, W. 0. Geology of the Boston Basin, Vol. i, Pt. iii. The Blue 
Hills Complex. Pap. Boston Soc. iv, pp. 289-684, pis. xxxi-xxxix, 
figg. in text. 
[ Trilobita , pp. 662-694.] 
8. Cumings, E. R. On the Waldron Fauna at Tarr Hole, Indiana. 
P. Indiana Ac. 1899, pp. 174-176. 
9. G. R. H. Alleged Hypostomial Eyes in the Trilobites. [Review 
of Lindstrom’s “ Researches on the Visual Organs of Trilobites.” 
Svenska Ak. Handl. xxxiv.] Nature lxiii, pp. 535 & 536. [See Lind- 
strom (19).] 
10. Gaskell, Walter H. On the Origin of Vertebrates, deduced from 
the Study of Ammocoetes, Part ix. On the origin of the Optic 
Apparatus ; the Meaning of the Optic Nerves. J. Anat. Physiol, 
norm. path, xxxv, 1901, pp. 224-267, 12 figg. in text. 
11. Giesbrecht, W. & Mayer, P. Arthropoda. Bericht fur 1898, pp. 57. 
Zool. Jahresb. 1898. [ Trilobita , p. 29.] 
12. - & -. Arthropoda. Bericht fur 1899, pp. 60. Op. cit. 1899. 
[Trilobita , p. 33.] 
13. - &-. Arthropoda. Bericht fur 1900, pp. 56. Op. cit. 1900. 
[ Trilobita , p. 32.] 
14. Grabau, A. W. Guide to the Geology and Palaeontology of Niagara 
Falls and Vicinity. Bull. Buffalo Soc. vii. [ Gigantostraca , pp. 220- 
231, figg. 153-160, pis. xvii & xviii.] 
15. Gregory, J. W. Cyphaspis spryi , a New Species of Trilobite from 
the Silurian of Melbourne. P. Soc. Victoria xiii, pp. 179-182, pi. xxii. 
Hazen, A. P. [See Patten & Hazen (27).] 
