Decapod Crustacea of Bermuda, Part II. 167 



Figure 9. Lcucifcr, sp., early nauplius stage of larva; i, ii, first and 

 second antennae ; iii, mandible, modified as swimming organs ; oc, 

 ocellus ; Ib, labium ; mt, mouth ; iv-vi, rudiments of mouth organs. 



Figure oa. The same in a later or protozoea stage ; letters the same, 

 adding v, vi, vii, two pairs of maxillae and first maxilliped; a, anus; 

 n, green gland. 



Figure pb. The same, in a later zoea stage ; letters the same, adding viii- 

 xii, rudiments of outer maxillipeds and thoracic legs ; xix, uropods. 

 Figures 9-pb after G. O. Sars. 



Figure 10. Pcn&us braziliensis ; A, carapace and rostrum : D, third maxil- 

 liped: E, second maxilla: F, tip of palpus of second maxilla. After 

 M.-Edw. and Bouvier. 



PLATE XVIII. 



Figure i. Leucifer faxoni, male. Side view of head; a', antennules ; 



a", antennae; s, antennal scale; e, eye, X2O. Original. By the author. 

 Figure 2. The same, another specimen. Male ; general side view of body 



and dorsal view of head, x 10. 

 Figure 3. The same, another example. Head more enlarged ; mp"', tip 



of third maxilliped, x 24. 



Figure 4. The same ; tips of second maxillipeds, more enlarged. 

 Figure 5, 53. The same. Male; second pleopod of male; v, male 



appendage; sa, another view of male appendage; X3O. 

 Figures 6-9. The same. Side views of the petasma of different males to 



show variations in form with mounted specimens ; s, tubercle in front 



of petasma; X32. 

 Figure 10. The same; front margin of carapace, to show a pair of 



denticles ; x 30. 

 Figure n. The same. Male; distal part of sixth abdominal segment, 



with uropods, u ; and telson, t ; x 20. 

 Figure 12. The same. Male; telson; x, tubercle of under side supposed 



to be a phosphorescent organ ; x 30. 

 Figure 13. The same. Female; distal part of sixth abdominal segment, 



with uropod, u ; and telson, t ; x 24. 



All the figures are original by the author, from examples 

 mounted in glycerine jelly. 



PLATE XIX. 



Figure I. Alpheus (or Crangon) formosus; dorsal view of a specimen 

 lacking the chelipeds. Enlarged. 



Figure 2. The same. Another Bermuda specimen, with the chelae sepa- 

 rated. 



Figure 3. Alpheus (or Crangon) candei; four views of the larger chela, 

 carpus, and merus. From Bermuda specimens ; a, b, d, views of 

 inner side; c, outer surface. Enlarged. By A. H. V. 



