Fig. [110].—Glyphocrangon spinulosa, from the right side, × 1. (From an original drawing prepared for Professor Weldon.)
Fam. 8. Palaemonidae.—The first two pairs of legs are chelate, the carpus of the second not being subdivided. Palaemon serratus, a very common prawn in the British littoral. Palaemonetes in the brackish and fresh waters of Europe and N. America.
Fam. 9. Glyphocrangonidae.—The first pair of legs are subchelate, the carpus of the second pair is subdivided, and the rostrum is long. Glyphocrangon (Fig. [110]) with numerous species entirely confined to deep water.
Fam. 10. Crangonidae.—The first pair of legs are subchelate, the carpus of the second pair is not subdivided, and the rostrum is short. Crangon vulgaris is the common Shrimp of the North Sea.
Tribe 5. Loricata.
Fig. [111].—Dorsal view of Scyllarus arctus, × ½. (From an original figure prepared for Professor Weldon.)
Fig. [112].—Embryonic area of developing Palinurus quadricornis. Ab.1, 1st abdominal segment; E, compound eye; E′, median simple eye; L, upper lip; L′, lower lip; M, mandible; Mx.1, Mx.2, 1st and 2nd maxillae; Mxp.1, 1st maxillipede; T, 6th (antepenultimate) thoracic appendage. (After Claus.)