PYCNOGONIDA OF NEW ENGLAND AND ADJACENT WATERS. 471 



it lias been recently shown that in all cases where accessory legs are possessed by only 

 one sex, this is the male and not the female, this observation was, of conrsc, correct ; 

 though Dr. Hoek did not extend it to the other species examined by him. 



Specimens examined. 



4762 



4979 

 5006 



4913 



4761 

 4933 

 4934 

 4920 



47C4 



4763 



4760 



4758 

 4756 

 4754 

 4918 

 4750 



4753 

 4766 



4767 



4768 



4765 



Localitv. 



from 

 from 



Long Island Sound ; 



off Kace Point 



Eock. 

 Nantucket Shoals. . . 

 Massachusetts Bay; 



1 mile south from 



Gloucester. 

 Gulf of Maine; 13J 



miles S. E. from 



Cape Ann. 

 14 miles N. E. from 



Cape Ann. 

 29 miles E. 



Cape Ann. 

 27 miles E. 



Capo Ann. 

 Gulf of Maine; 



Cashe's Ledge. 

 E. from Georne's 



Bank; 41° 25' N., 



65° 42.3' "W. 

 Eastport, Mo. ; off 



Cherry Island. 

 Eastport, Me.; John- 

 son's Bay. 



Eastport, Me 



do 



...do 



...do : 



Eastport, Me. ; on 

 ■ Bunodes. 



Eastport, Me 



"W. from Brown's 



Bank; 42° 49' N., 



66° 19' W. 

 Ahout 26 miles S.E. 



from Cape Sable, 



N. S. 

 About 39 miles S. E. 



from Cape Sable, 



N. S. 

 About 44 miles S. E. 



from Cape Sable, 



N. S. 



50 



18-21 

 19 

 90 



35 

 110 



85 

 52-90 

 430 



20-25 



12 



20 

 L. w. 

 L. w. 



L. V7. 



L. w. 



59 



Bottom. 



Shells, grav- 

 el, rock. 



Eocks, sand . 

 Soft mud 



Stones, gravel 



Soft mud 



Sandy miid, 



gravel. 

 Eocks 



When col- 

 lected. 



Eocks 

 ....do 



Eocks . 



Hard. 



Eocks . 



Very fine sand 

 ....do 



• — , 1874 



Sept. — , 1S74 

 ,1878 



, 1873 



, 1878 



, 1878 



, 1873 



Sept. 15, 1872 



, 1872 



, 1872 



, 1872 



, 1872 



, 1870 



Aug. 18, 1868 

 , 1864 



, 1864 



, 1877 



, 1877 



, 1877 



,1877 



Eeceived from — 



U.S. Fish Com. 



....do 



....do 



-...do 



....do ..; 



....do 



..do 



....do 



....do 



....do 



...do 



....do 



....do 



Expedition '70 

 Expedition '68 

 Expedition '64 



Expedition "64 

 U. S. Fish Com 



....do 



....do 



....do 



Specimens. 



No. and sex. 



Icf O 



Icf 



1? -: : 



1? 



Id 



4? 



Sd'.S? .... 

 1? 



3cr 



2cf,2? .... 



2d 



ScT, 9 



4d',7$ .... 



6cr,2?.... 



4d",2$.... 



170 



■^d 



2cf,15? ... 



2cr,l$ ..-. 

 1? 



2cr,i39 ... 



Dry. 

 Ale. 



Ale. 



Ale. 

 Ale. 



Ale. 



Ale. 

 Ale. 

 Ale. 

 Ale. 

 Ale. 



Ale. 



Ale. 



Alo. 

 Ale. 

 Ale. 

 Ale. 

 Ale. 



Ale. 

 Ale. 



A!c. 



Ale. 



Ale. 



Family II, ACHELID^. 



Tanysttlum Miers. 



Body broad and stout. Anteiinse rudimentary, one-jointed. Palpi six- 

 jointed. Accessory legs ten-jointed, present in both sexes. Legs stout, 

 dactylus with auxiliary claws. 



Tanystylum orbiciilare Wilson. 



Trans. Conn. Acad., vol. v, p. 5, PI. II, figs. 2a to 2/, Aug., 1S78. 

 ?? Fasithoe iimdonata Gould, Proc. Best. Soc. Nat. Hist., vol. i, p. 92. 

 Pallene, sp.. Smith in Eeport on the Invertebrata of Vineyard Sound, p. '.50 (544). 



Plate III, Figure 11. 

 Body orbicular, deeply incised between the lateral processes, which 

 are in close contact. Oculiferous segment extremely broad, neck not 



