318 A. E. Verrill—The Bermuda Islands; Coral Reefs. 
PLate XXXVI. Figure 1. Group of fishes, etce., under cavernous reef (ideal). 
Fishes about 1, nat. size: 1, Pilot fish (Seriola zonata); 2, Parrot-fish (Scarus 
vetula) ; 3, Hog fish (Lachnolaimus maximus) ; 4, Trunk-fish (Lactophrys 
triqueter); 5, Cow-fish (ZL. tricornis); 6, Angel-fish (Cheetodon striatus) ; 
7, Starfish (Asterias tenuispina); 8, 9, 10, Serpent-stars (Ophiuroids); 11, 
Cidaris tribuloides ; 12, Diadema setosum; 13, Pink-tipped Actinia (Condy- 
lactis gigantea); 14, Red Actinia (A. bermudensis); 15, Brain Coral; 16, Star 
Coral (Siderastreea); 17, Rose Coral (Mussa fragilis) ; 18, Sea-plume (Gor- 
gonia acerosa): 19, Sea-fan (G. flabelium) ; 20, Sea-ginger (Millepora alei- 
cornis); 21, 24, Tube-sponge (Spinosella sororia); 22, Scarlet sponge (Tedania 
ignis); 28, Spongia turrita; 25, Cup-coral (Agaricia fragilis). Fig. 2. 1 
Green Moray (Lycodontis funebris); 2, 2, Spotted Moray (L. moringa), 
with a group of gorgonians, ete.; 3, Ivory Coral (Oculina varicosa); 4, Brain 
Coral; 5, Gorgonian (Euniceopsis grandis) ; 6, 6, Plecaura flecuosa ; 7, 7, 
Muricea muricata; 8, Euniceopsis atra; 9, Porites clavaria; 10, 10, Spongia 
turrita; 12, Tube-sponge (Spinosella sororia); 14, Reef-rock; 18, Pink 
Conch (Strombus gigas); 19, Cowrie (Cyprea exanthema). About 4 nat. 
size. 
Piatt XXXVIa. Figure 1. Spicules of Plexawrella dichotoma from the type 
of P. anceps (Duch. and Mich.); a, a, larger crosses; a’, a’, irregular or one- 
sided crosses; b, double spindle ; ¢, c, smaller spindles ; d, double whorled 
spicule, x 85. Fig. 2. P. dichotoma, spicules from the original type of 
Esper; a, a, Larger crosses; a’, a’, irregularly branched crosses ; a’, a", 
double spindles or imperfect crosses ; 6, b, spindles and double spindles, 
x 85. Fig. 8. Pseudoplexaura crassa, from Bermuda; a, a, small, irregu- 
lar, purple spicules from the surface ; 6, b, large spindles from the middle 
of ccenenchyma ; 0’, b', smaller spindles; c, c, small white spindles; c¢’, ¢’, 
small purple spindles, x 40. Fig. 4. Plevaura Esperi,sp. nov. Type; a, a, 
purple double whorled spicules; a’, cluster of the same forms in place, less 
enlarged; 6, b, four-whorled purple double spindles; c¢, e, two-whorled 
purple double spindles; d, d, large purple spindles; d’, smaller purple 
spindle, x 85. 
PuateE XXXVIz. Figure 1. Euniceopsis Tourneforti; a, a, large spindles; 6, b, 
smaller spindles; c, double spindle; d, tentacle-spicule, x 40. Fig. 2. 
The same; e, e, small rough spindles ; e’, branched variety ; f, f, irregular 
rosettes of surface: g, g, foliated clubs of surface layer; h, h, slender 
spindles mostly from tentacles, x 85. Fig. 3. Euniceopsis grandis V., type ; 
a, a, larger spindles ; 6, b, medium spindles; ¢, c, small spindles; d, d, 
tentacle-spindles, x 20. Fig. 4. Plexawra flexuosa; a, a, larger spindles ; 
a’, large purple spindle ; 6, b, smaller purple and brown spindles ; 0’, small 
white spindles; ¢, c, brown biscuit-shaped or spheroidal forms ; e, e, purple 
foliated clubs of surface ; e’, e’, the same, white; f, f, small purple spindles, 
x 40. 
Puatr XXXVII. Mar II. The Bermudas and outer reefs. Altered from 
Stevenson and Sir C. Wyville Thomson. ; 
Prats XXXVIII. Mar III. The Bermudas; southwestern section. 
Puate XXXIX. Mar IV. The Bermudas; middle section. 
PLateE XL. Map V. The Bermudas; northeastern section. This and the two 
preceding plates were loaned by Prof. E. L. Mark. 
