n 



CRUSTACEA. 



- 



iV 



Fig. 3 a. Hippolyte obliquimana, part of female, enlarged six 

 diameters; b, part of leg of second pair, ibid.; c, hand of first 

 pair, ibid.; d, ibid., enlarged twenty-four diameters; e, extremity 

 of leg of third pair; /, tarsus of same leg, enlarged seventy dia- 

 meters. — p. 564. 



Fig. 4 a. Hippolyte gibbosa, natural size ; 6, beak ; c, part of 

 leg of first pair, enlarged; d, ibid., of second pair; e, under view 

 of part of abdomen. — p. 565. 



Fin-. 5. Hippolyte brevirostris, enlarged two diameters. — p. 



566. 



Fig. 6 a. Hippolyte lamellicornis, natural size ; b, extremity 

 of outer maxilliped, enlarged six diameters; c, part of leg of 

 second pair, ibid. ; d, ibid., of third pair.— p. 567. 



Fig. 7 a. Rhyncocinetes typicus, natural size ; b, beak, ibid. ; 

 c, part of outer maxilliped of male, ibid. — p. 568. 



Fig. 8. Pandalus pubescentulus, natural size. — p. 568. 



PLATE 37. 



Fig. 1 a. Pontonia tridacn^e, enlarged four diameters ; b, 

 under view of abdomen ; c, under view of anterior part of cepha- 

 lothorax; d, one of the branchial leaflets. — p. 571. 



Fig. 2 a. (Edipus superbus, enlarged three and one-half dia- 

 meters ; b, extremity of caudal extremity ; c, maxilliped of second 

 pair ; d, outer maxilliped ; e, outline of tarsus ; /, rostrum and 

 outline of back. — p. 573. 



Fig. 3 a. (Edipus gramineus, enlarged three and one-half dia- 

 meters ; b, beak ; c, under view of carpus and extremity of arm ; 

 d, maxilliped of second pair ; e, ibid., of third pair. — p. 575. 



Fig. 4 a. Harpilius lutescens, enlarged four diameters, caudal 

 segment, mutilated ; 5, profile of beak ; c, upper view of head ; 

 d, d', different views of mandible ; e, maxilliped of first pair, en- 

 larged twelve diameters ; /, ibid., of second pair ; g, ibid., of 

 outer pair; h, extremity of one of eight posterior legs. — p. 576. 



Fig. 5 a. Anchistia gracilis, animal, enlarged three dia- 

 meters ; b, outline of beak ; c, mandible ; d, extremity of ter- 

 minal process of mandible ; e, maxilliped of first pair ; /, ibid., 

 of second pair ; g, a seta of same ; h, outer maxilliped ; i, last 

 joint of same ; k, under view of carpus and arm of second pair 

 of feet; I, extremity of third pair; m, one of the setas of the 

 basal scale of the outer antennas. — p. 578. 



Fig. 6 a. Anchistia longimana, head, enlarged five diameters ; 

 b, beak in profile. — p. 579. 



PLATE 3 8. 



Fig. la. Anchistia ensifrons, enlarged five diameters; b, 

 inner antenna and eye; c, outer antenna; d, d>, mandible, in dif- 

 ferent positions ; e, maxilliped of second pair ; /, outer pair ; g, 

 extremity of leg of third or fourth pair.— p. 580. 



Fig. 2 a. Anchistia aurantiaca, enlarged six diameters; b, 

 abdominal appendage of first pair; c, of second, ibid.; d, part of 

 caudal segment. — p. 581. 



Fig. 3 a. PALJEMONELLA tenuipes, part of animal, enlarged; 6, 

 mandible, more enlarged; ?>', terminal process, and palpus, ibid.; 

 c, maxilliped of second pair; d, of outer pair.— p. 582. 



Fig. 4 a. Paljemonella orientalis, female; b, mandible, more 

 enlarged; c, maxilliped of second pair; d, of outer pair.-p. 583. 



Fig. 5a. Pal^mon affinis, natural size; b, outline of beak 

 and cephalothorax; c, base of inner antennas ; d, mandible; e 



inner maxilla; /, maxilliped of second pair; g, ibid., of outer 

 pair. — p. 584. 



Fig. 6. Pal^mon debilis, cephalothorax, enlarged two dia- 

 meters. — p. 585. 



Fig. 7. P. debilis, var. attenuatus, enlarged two diameters. 

 — p. 585. 



Fig. 8. Pal^emon exilimanus, cephalothorax, enlarged two dia- 

 meters. — p. 586. 



Fig. 9. Pal/EMON squilla, cephalothorax, enlarged two dia- 

 meters. — p. 586. 



Fig. 10 a, b. Pal^emon concinnus, cephalothorax, enlarged two 

 diameters; b, beak, from a larger specimen, enlarged. — p. 587. 



Fig. 11 a. Pal/EMON natator, mandible, enlarged. — p. 588. 



Fig. 12 a. Paljemon grandimanus, cephalothorax, natural size- 

 b, smaller hand of second pair, natural size. — p. 588. 



Fig. 13 a. PALiEMON lanceifrons, cephalothorax, natural size ; 

 b, beak, enlarged. — p. 589. 



PLATE 39. 



Fig. 1 a, a'. Pal^emon acutirostris, outline of cephalothorax 

 of different specimens, natural size ; b, part of same, more en- 

 larged. — p. 590. 



Fig. 2 a. Pal^emon equidens, outline of beak, natural size ; b, 

 arm. — p. 591. 



Fig. 3 a. Hymenocera picta, natural size ; b, main branch of 

 outer maxillipeds, enlarged ; c, extremity of leg of first pair, en- 

 larged four diameters. — p. 593. 



Fig. 4 a. Cryphiops spinulosi-manus, female, natural size, 

 antennas in part mutilated ; b, under view of anterior part, en- 

 larged two and one-half diameters, showing mandibles and base 

 of antennas ; c, maxilliped of second pair ; d, ibid., of outer pair ; 

 e, base of leg of first pair ; /, extremity of moveable finger of leg 

 of second pair; g, part of third flagellum of inner antennas; //, 

 beak, natural size. — p. 595. 



Fig. 5 a. Regulus lucidus, female, enlarged four diameters ; 

 b, beak; c, part of outer maxilliped; d, ibid., leg of first pair; e, 

 ibid., leg of second pair (b, c, d, e, being in relative position) ; /, 

 base of inner antennas ; /', part of the slender flagellum of same, 

 near its middle ; g, scale of outer antennas ; h, part of flagellum 

 of outer antennas (reversed); i, mandible; k, maxilla of first 

 pair; I, maxilliped of first pair; m, maxilliped of second pair; n, 

 ibid., of outer pair ; o, outline of back of abdomen ; p, side of one 

 of abdominal segments; q, eggs, natural colour. — p. 598. 



Fig. 6 a. Regulus crinitus, enlarged four diameters; b, upper 

 view of beak ; c, basal scale of outer antenna ; d, extremity of 

 outer maxilliped, inner view ; e, row of spines on same ; /, extre- 

 mity of leg of first pair ; g, hand ; 7i, extremity of leg of third or 

 fourth pair. — p. 599. 



PLATE 40. 



Fig. 1. Sicyonia carinata, natural size. — p. 602. 



Fig. 2. Pen^eus carinatus, outline of carapax, natural size, 

 p. 603. 



Fig. 3. Pen^eus avirostris, outline of carapax, with leg of 

 third pair, natural size. — p. 603. 



Fig. 4. Pen^eus velutinus, enlarged two diameters. — p. 604. 



Fig. 5. Pen^eus monoceros, outline of carapax, natural size.— 

 p. 605. 



