EXPLANATION OF THE PLATES. 95 
PLATE XXXII. 
CRUSTACEA.—TRILOBITA. 
Fic. 1.—a, 6. PHaceps LatirRoNSs, Bronn, sp. 
Calymene, Leth. Geog., pl. ix., fig. 4. C. Latreillii, Steininger Mém. Soc. 
Geol. de France, vol.i., p. 351. Phil. Pal. Foss., p. 129, pl. lvi., fig. 
249. Phacops latifrons, Morris Cat. Brit. Foss., 1854, p. 113. 
Original. a. Cast of an entire, partially rolled, and slightly distorted speci- 
men, from Upper Devonian Sandstone, Braunton, North Devon. Mus. 
G. S. L.; 6, eye, enlarged one-third, showing arrangement of lenses. 
Mp te snp Upper Devonian.—Baggy, Pilton, and Barnstaple (Passage), 
N. Devon; Torquay S. Devon. Padstow and Petherwin, Cornwall. 
(Etheridge), Journ. Geol. Soc., vol. xxiii., p. 620. 
Fic. 2.—HARPES MACROCEPHALUS, Goldfuss. 
Nova Acta Acad., vol. xix., pl. xxiii., fig. 2. 
Phil. Pal. Foss., p. 127, pl. lv., fig. 246. 
From Burmeister, Organiz. Trilobites, Ray Society, 1846, pl. i., fig. 11, 
reduced to half natural size. 
Mrppte Deyvontan.—Barton, S. Devon ; Torquay group. 
Fig. 3.—HoMALONOTUS ARMATUS, Burmeister. 
H. Greenw, Goldf. in Bronn N. Jahrb., 1845, pp. 560-5. 
H. armatus, Burm. Org. Tril., p. 87, pl. iv., fig. 1. 
From Burm., op. cié., reduced to half natural size. 
Lower Devontan.—Meadsfoot, S. Devon. (Etheridge), Journ. Geol. Soc., 
vol. xxiil., p. 620. 
Fig. 4.—BRoNTEUS FLABELLIFER, Goldfuss. 
Act. Acad. Nat. Cur., vol. xix., pl. xxxiii., fig. 3. Phil. Pal. Foss., pl. 
Ivii., fig. 254. 
Original. Caudal portion (tail), Newton Bushel, S. Devon. Mus. G. S. 1. 
Mippte Drevontan.—Torquay group. 
PHY LLOPODA. 
Fie. 5.—a, b, c. ESTHERIA MEMBRANACEA, Pacit, sp. 
From Salter and Woodward's Chart of Fossil Crustacea, p. 17, fig. 18. 
a. natural size; 6 & c, enlarged. 
Lower anD MrppLe Orp Rep SanpsTonE.— Caithness. 
M 
