PLATE CXXIII.
Fig.
1 and 1'. Pale« of outer row of the “ crown” of Tetreres murata, Allen, the second figure
more highly magnified.
1 a. Exterior palea of the same row. X Zeiss oc. 2, obj. A. *
1 b and 1 b'. Pale« of the inner row, the first figure more highly magnified. X oc. 2,
obj. A.
1 c. Capillary bristle of first set. X oc. 2, obj. A.
1 d. Anterior dorsal bristle. X 1 in. Beck.
1 d\ Tip of anterior oar-shaped bristle, x oc. 4, obj. A. Enlarged.
1 d". Paddle-shaped bristle. X oc. 4, obj. A, with draw-tube.
1 e. Whorled anterior ventral bristle. X oc. 4, obj. A.
1 e' Portion of foregoing more highly magnified.
1 ƒ. Anterior hook. x. oc. 4, obj. P.
1 g. Posterior hook, x oc. 4, obj. F.
1 h. Great anterior dorsal hook, x Beck 2 in.
2. Spiked pale« of crown of Sabellaria spinulosa, R. Leuckart. x oc. 4, obj. A.
2 a.. Bill-hook palea. x oc. 2, obj. D, with draw-tube.
2 b. Shorter palea of same type. X oc. 2, obj. A, with draw-tube.
2 c. Three spine-like simple bristles of the first series. X oc. 4, obj. D.
2 d. Oar-shaped anterior bristle. X oc. 2, obj. D, with 1-in. draw-tube.
2 e. Tapering serrated bristle with whorls of spikes from the dorsal series of the second
foot. X oc. 2, obj. D, with 1-in. draw-tube.
2 ƒ. Whorled bristle of the ventral series. X oc. 4, obj. D, with draw-tube.
2 g. Portion of the foregoing. X oc. 4, obj. F.
2 h. Hook, x oc. 4, obj. F.
2 i. Tip of ventral curved, brush-like bristle. X oc. 2, obj. D, with 1-in. draw-tube.
3. Palea of Sabellaria alveolata, L., from the outer row. x oc. 4, obj. A.
3 a. Geniculate palea from the second row, from Naples.
3 b. Palea from the third row (hatchet-like). X oc. 2, obj. D.
3 d. Anterior hook. X oc. 4, obj. F.
3 e. Posterior hook. X oc. 4, obj. F.
3 x. Tip of spiked bristle. X oc. 2, obj. D, with -|-in. draw-tube.
4. Tip of caudal hook of Pectimria belgiea, Pallas, x oc. 4, obj. A. (Vide p. 38.)