560 FROCEEDJIfCS OF THE NATIONAL MUSEUM. 



VOL. XXVIII. 



46. Genital segment triangnlar, nmcli larger than carapace; alnlonien longer than 



rest of body pitaraouis (Nordmann, 1832). 



4(). (u'nital scgiiient acurn-sliaiicil; ])awil alxloinen juint three times the terminal. 



prinnnjdh (Kroyer, 1863), p. 594. 



47. Males, lifth legs not visible in dorsal view 48. 



47. Females, Hfth legs plainly visible in dorsal view _.49. 



47. Females, lifth legs i-oiicealed in dorsal view 50. 



48. Genital segment cylindrical, little wider than abdomen; median carapace lobe 



projecting its fnll lengtli behind the lateral lobes. .co.sw(rA7' (B-Smith, 1898, b). 



48. Genital segment obovate, twice as wide as abdomen; median carapace lobe not 



projecting at all conslrictus ( Heller, 1865). 



48. Genital segment barrel-shaped, three times as wide as abdomen; first abdomen 



joint the longer affitiiti (Heller, 1866). 



48. Genital segment obhmg-obovate, twice as wide as abdomen; terminal alxlomen 



joint the longer. produduf^ (Dana, 1S52), p. 597. 



49. Genital segment Hask-shajx'd, no lobes; alidomen narrow; joints the same 



w'idth din}>}i<tini)i (Nonhiiann, 1832). 



49. Genital segment obcordate, deei>ly lobed; l)asal abdomen joint twice as wide 



as terminal mhndiiii (B-Smith, 1898, b). 



50. Abdomen joints abont equal in leiigth 51. 



50. Abdomen joints very nnecpial in length 52. 



51. (ienital segment acorn-shaped, longer than wide; fourth legs weak, three-jointed. 



rossacki (B-Smith, 1898, b). 

 51. Genital segment orbicular, wider than long; fourth legs medium-sized, four- 

 jointed t(ir})ed'nih (Heller, 1865). 



52. Genital segment oblong, deeply lobed; basal abdomen joint ten times the 



terminal nr'd ( B-Smith, 1898, b) . 



52. Genital segment oblong, slightly lobed; basal abdomen joint three times the 



terminal cyJ)ii (B-Smith, 1898, a). 



52. Genital segment elliiitical, lobes long and very wide; basal abdomen joint 



three times the terminal Ijonllo, new species, p. 589. 



52. Genital segment flask-shaped, no lobes; basal abdomen joint twice the ter- 

 minal <iJfi7itK ( Heller, 1866). 



53. Genital segment elongate-ol)Ovate, contracted anteriorly; fifth legs invisible; 



alKlomen joints e(]ual viutahUix, new species, p. 573. 



53. (ienital segment broad, acorn-shaped; fifth legs visible; basal abdomen joint three 



times the terminal rhorinemi ( Kroyer, 1863). 



53. (ienital segment obovate, bjbes short; basal abdomen joint four times the ter- 

 minal Irritdits ( Heller, 1865). 



54. Abdomen distinctly longer than the genital segment 55. 



54. Abdomen about the same length as the genital segment 56. 



54. Abdomen considerably shorter than the genital segment 57. 



55. Genital segment orbicular, showing both the fifth and sixth legs, female. 



KtroiiKite! (Kroyer, 18(i3). 

 55. (ienital segment triangular; only the fifth legs showing; fourth leg sjjines Hat- 



tened into lamina' j)lati/t(ir^i (B-Smith, 1898, b). 



55. (ienital segment obcordate, little wider than abdomen; fifth legs concealed. 



hir.vdns (B-Smith, 1898, a). 

 55. (ienital segment elliptical, three times as wide as abdomen; fifth legs concealed. 



product us (Dana, 1852), p. 597. 

 56. (ienital segment elliptical, lobes long and narrow; free segment long and wide. 



monacanthi (Kroyer, 1863) 607. 



56. Genital segment oblong-obovate; lobes short and broad; free segment short, 



narrow produdus (Dana, 1852), p. 597. 



