PLATE V. 



Fig. i. Lucifer intermedius n. sp. (Continued). 



Fio-. \a. Posterior part of abdomen with left uropod of a male from Stat. 37, from the left side; X ia li- 



Fig. 1 b. Terminal part of the exopod of the uropod of the same male ; X 60. 



Fig. \c. Terminal part of the exopod of left uropod of another male from Stat. 37; X 60. 



Fig. id. Terminal part of the exopod of left uropod of a female from Stat. 37; X 60. 



Fig. ie. Major part of the peduncle of first left pleopod of a male from Stat. 37, from the inner side; X 74- The petasma 

 is in its normal position, with its terminal portion across the peduncle. /. two protruding plates or lamella?; 

 m. membranous part of the sheath ; p. process at the margin of the pleopod. 



Fig. 1 ƒ. Uistal third of left petasma, drawn with transmitted light, so that the strongly chitinized parts have dark shading, 

 and seen from the inner side; X 17°- l- two protruding plates; ///. membranous part of the sheath; pv. pro- 

 cessus ventralis; s. fine dark transverse lines. 



Fig. ig. Distal third of another petasma seen mainly from the outer side; X 170. /. two protruding plates; pv. processus 

 ventralis, turned out of the sheath. 



Fig. 2. Lucifer penicillifer n. sp. 

 Fig. 2<7. Front end of cephalothorax with left eye, antennular peduncle, and basal part of antenna with squama, of a 



male, from the left side; X 22. 

 Fig. 2b. Posterior part of abdomen with lelt uropod of a male from Stat. 109, from the left side; X 18. 

 Fig. 2 c. Terminal part of the exopod of the uropod of the same male; X 54- 

 Fig. 2</. Terminal part of the exopod of left uropod of another male; X 54- 

 Fig. 2t'. Terminal part of the exopod of left uropod of a female; X 54- 

 Fig. 2/. Telson of a male, from the left side; X 52. 

 Fig. 2g. About half of the peduncle of first left pleopod of a male from Stat. 109, from the inner side; X 78. The petasma 



is in its natural position, with its terminal portion across the pleopod. c/i. strongly chitinized distal part of 



the sheath; m. membranous part of the sheath; p. process on the peduncle. 

 Fig. 2 li. Distal third of left petasma drawn with transmitted light and seen from the inner side; X 180. ch. strongly 



chitinized scabrous part of the sheath ; 111. membranous part of the sheath ; pv. processus ventralis. 

 Fig. 2/. Terminal portion of another left petasma, from the outer side; X 180. ch. strongly chitinized scabrous part of 



the sheath; pv. processus ventralis, turned out of the sheath. 

 Fig. 2k. Processus ventralis of a fourth petasma showing its end to be bipartite; X *So. 



Fig. 3. Lucifer Faxonii Borrad. 



Fig. 3«. Front end of cephalothorax with left eye, antennular peduncle, and basal part of antenna with squama, of a 

 male from Stat. 184, from the left side; X 23. 



Fig. 3 b. Posterior part of abdomen with left uropod of a male from the same locality, from the left side; X 12. 



Fig. 3<r. Terminal part of the exopod of left uropod of a male; X 4°- 



Fig. 7>d. Terminal part of the exopod of left uropod of another male; X 4°- 



Fig. 3 c. Terminal part of the exopod of left uropod of a female from the same station ; X 4°. 



Fig. 3/. Telson of a male, from the left side; X 35- 



Fig. 3"-. Major part of the peduncle of first left pleopod of a male from Stat. 184, from the inner side; X 78- The 

 petasma is in its natural position, with its terminal portion across the pleopod p. process on the peduncle. 



Fig. 3/1. Distal third of the petasma removed from the pleopod, of which a small part together with a small portion of 

 the broad part of the petasma is shown, from the inner side; X i4°- A process on the peduncle; pv. pro- 

 cessus ventralis visible through the sheath. 



Fig. 3/. Terminal portion of the petasma of another male, from the inner side; X J7°- cl >- strongly chitinized distal 

 part of the sheath ; ///. membranous part of the sheath ; pv. processus ventralis turned out of the sheath. 



Fig. 4. Lucifer Hanseni Nobili. 



Fig. 4a. Anterior half of cephalothorax of a male (black-eyed specimen) from Stat. 142, from the left side; X iS. 



Fig. 4b. Posterior part of abdomen with left uropod of a male from Stat. 142, from the left side; X 18. 



Fig. 4c. Terminal part of the exopod of left uropod of a male from the same station; X 48- 



Fig. 4d. Terminal part of the exopod of left uropod of another male from the same station; X 48. 



Fig. 4e. Terminal part of the exopod of left uropod of a female from the same station; X 4§. 



Fig. 4/. Exopod of left uropod of a quite small, perhaps scarcely adult male, 7 mm. long, from the same locality, viz. 

 Stat. 142; X 3°- 



Fig. 4g. Exopod of left uropod of a young female, 5.7 mm. long, from the same locality; X 33- 



Fig. 4/1. Telson of an adult male from the same station, from the left side; X 43- 



Fig. 4/. Telson of another adult male from the same station, from the left side; X 43- 



Fig. 4k. Sixth abdominal segment of a male (with the eyes yellowish brown) from Stat. 106, from the left side; X 16. 



Fig. 4/. Part of the peduncle of first left pleopod of a male from Stat. 106, from the inner side; X 77- The petasma is 

 almost in its natural position, as its distal part is on the figure turned only slightly to the left. p. process on 

 the peduncle. 



Fig. 4111. Peduncle (the basal part omitted) of first left pleopod of a male from Stat. 142, from the inner side; X 80. 

 The petasma is unfolded, so that its distal half is parallel with the peduncle. p. process on the peduncle. 



Fig. 411. Distal half of the petasma exhibited in fig. 4//1 and drawn with transmitted light, from the inner side; X 160. 

 c/i. strongly chitinized part of the sheath ; pv. processus ventralis. 



Fig. 40. Terminal portion of the petasma of another male from the same station, from the inner side; X 160. pv. pro- 

 cessus ventralis, turned out of the sheath, sh. 



