450 
DR. G, J. HINDE ON BEDS OF SPONGE-REMAINS IN THE 
Figs. 11, lla-6. Monilites Haldonensis, Carter. — Blackdown; near Warminster 
X 80 diameters, 
Fig. 12, Esperites Haldonensis, Carter. —Blackdown. X 60 diameters. 
Fig. 13. Geodites Wrightii. Acnate spicule, fragmentary. X 40 diameters. 
Fig. 14. Dirrhopalum neocomiensis. —Haslemere. X 40 diameters. 
Figs. 15, 15a, 16. Pachymatisma? virga. —Blackdown, Haldon. 15a, X 40 diameters, 
figs. 15, 16, X 60 diameters. 
Figs. 17, 1 7a-4c. Geodites Carteri. Zone spicules, showing various modifications of 
the head rays. In figs. 175, k, only two of the rays are developed.— 
Haslemere, Blackdown. X 40 diameters. 
Fig. 18. Hamate spicule. —Haslemere. X 60 diameters. 
PLATE 42. 
Figs. 1, la-c. Geodites prcelongus. Zone spicules with simple and bifurcate head-rays. 
-—Haslemere, Sevenoaks. X 40 diameters. 
Figs. 2, 2a. Geodites robustus. Zone spicules.—Haslemere. X 40 diameters. 
Figs. 3, 3a—c. Geodites audax. Zone spicules. Fig. 36 shows the peculiar manner in 
which the infilled axial-canal has been contorted and displaced. Fig. 3 is 
the head of a spicule seen from beneath.—Haslemere, X 40 diameters. 
Figs. 4, 4a. Geodites obtusus. Zone spicules, the shafts incomplete.—Sevenoaks. 
X 40 diameters. 
Figs. 5, 5 a—c. Geodites politus. Zone spicules and anchor spicule (5c.)—Merstkam, 
Folkestone. X 40 diameters. 
Figs. 6, 6a, 6. Geodites pusillus. Zone spicules.—Haslemere. X 40 diameters. 
Figs. 7, 7a-g. Geodites Haldonensis , Carter. Zone spicules with variously modified 
head-rays.-—Blackdown. X 40 diameters, 
Figs. 8, 8a. Geodites divergens. Zone spicules with very prominent canals.—Near 
Warminster, X 40 diameters. 
Fig. 9. Geodites Wrightii. Zone spicule, moniliform.—Haslemere, X 40 diameters. 
Fig. 10. Geodites dejlexus. Zone spicule, shaft incomplete.—Blackdown. X40 
diameters, 
Figs. 11, 11a, 6. Geodites divergens. Zone spicules. — Near Warminster. X40 
diameters. 
Figs. 12, 12a-e, Geodites gracilis. Slender zone spicules.—Blackdown; near War¬ 
minster, Merstham. 
Figs. 13, 13a-c. Geodites planus. Zone spicules with horizontally extended head-rays. 
Haldon ; near Warminster. X 40 diameters. 
Figs. 14, 14a-e. Stellettites ? sp. Zone spicules, with reduced shaft and horizontally 
extended head-rays.—Blackdown; near Warminster, Merstham, X60 
diameters. 
