J.KP. — NOT.] 



CRUSTACEA. 



709 



hisingeri, Schmidt, 1873, Mem. Acad. Imp. 

 Sci. St. Petersbourg, ser. 7, vol. 31, p. lb, 

 Niagara Gr. 



marginata, Schmidt, 1873, Mem. Acad. 

 Imp. Sci. St. Petersbourg, ser. 7, vol. 31, 

 p. 19, Niagara Gr. 



nana, syn. for L. canadensis. 



parasitica, refer to Beyrichia parasitica. 



]»haseolus, Hisinger, 1831, 'Antecken. 

 Phys. Geogr., Vol. 5, pp. 110 to 135, 

 Niagara Gr. 



punctufifera, see Primitiopsis punctulifera. 



subcvlindrica, Ulrich, 1881), Micropal. of 

 Can., p. 49, Hud. Riv. Gr. 

 Lepidocoleus scales or plates are supposed 

 to form the capitulum, (caput, head ; 

 applied to a bai'nacle, from its being 

 supported on a peduncle,) but it has 

 been suggested that they are the scales 

 of the peduncle, and the capitulum is 

 unknown. 

 LicHAsbicornisand L. robbinsi, Ulrich, 1890, 

 Am. Gf ol., vol. 10, pp. 271 and 272, the 

 first Hud. Riv. Gr.; and second Ga- 

 lena Gr. 



champlainensis is from the Chazy Gr. 



faberi is a synonym for L. halli. At the 

 time of the publication of this book I 

 was not aware of the publication of 

 Foerste's species. 



halli, Foerste, 1888, Bull. Denison Univ., 

 vol. 3, p. 118, Hud. Riv. Gr. 

 Macrocaris, S. A. Miller, 1892, Advance 

 Sheets 18th Rep. Geo. Sur. Ind., p. 78. 

 [Ety. makros, long ; karis, shrimp.] Cara- 

 pace bivalved, united dorsally with a 

 strong ligament; valves loDg, narrow, 

 and ornamented with anastomosing 

 striee ; they are pointed on the dorsal 

 side in front, and on the ventral side 

 at the posterior end, while in the 

 middle part the dorsal and ventral sides 

 are subparallel ; abdomen consisting 

 of twelve or more- segments, which 



Fig. 1263.— Macrocaris gorbyi. Carapace valves, 

 abdominal segments and postabdomen. 



very slowly taper from the fourth or 

 fifth to the postabdomen; postabdomen 

 consisting of a short, expanding plate, 

 with a central ridge or line of division. 



The genus Strigocaris is known only 

 from the carapace valves, and the pos- 

 terior ends are subtruncated from the 

 ventral side to the dorsal side, while 

 in this genus the posterior ends of the 

 valves are subtruncated from the dorsal 

 to the ventral side. Type M. gorbyi, 

 described at the same place from the 

 Keokuk Gr. 

 Macrocyprjs, Brady, 1867, Intellectual Ob- 

 server, vol. 12, p. 119. [Ety. makros, 

 long; Cypris, a genus.] Carapace sub- 

 cylindrical or long triangular, and often 

 Bairdia-like, generally elongate, atten- 

 uated at the extremities; valves thin, 

 smooth, unequal, with beveled plates 

 within the ends, more or less sinuate 

 on the ventral margin, the right larger 

 than the left, and overlapping dorsal 

 hinge-line flexuous. 

 subcylindrica, Jones, 1890, Quar; Jour. 

 Geo. Soc., vol. 46, p. 549, Anticosti, Gr. 



Fig. 1264.— Mesotbyragurleyi. Postabdomen. 



Mesothyra gurleyi, S. A. Miller, 1892, Ad- 

 vance Sheets 18th Rep. Geo. Sur. Ind., 

 p. 77, Kinde'hook Gr. 



Microdiscus bellimarginatus, Shaler & 

 Foerste, 1888, Bull. Mus. Comp., p. 35, 

 Up. Taconic. 

 helena, Walcott, 1889, Proc. U. S. Nat. 

 Mus., vol. 12, p. 40, Up. Taconic. 



Moorea, Jones&Kirby, 1869, Ann. and Mag. 

 Nat. Hist., ser. 4, vol. 3, p. 225. [Ety. 

 proper name.] .Carapace valves simple, 

 thick,, flattened, longer on the dorsal 

 than the ventral ma' gin, without any 

 subcentral pit, and ornamented with 

 narrow, rounded ridges, following more 

 or less closely and completely the 

 marginal contour. Type M. silnnca. 

 bicornuta, Ulrich, 1890, Jour. Cin. Soc. 

 Nat. Hist, vol. 13, p. 191, Ham. Gr. ; 

 and M. granosa. p. 206, Kaskaskia Gr. 

 kirbyi, Jones, 1890, Quar. Jour. Geo. 

 Soc, vol. 46. p. 542, Corniferous Gr. 



Nothozoe was described in 1872, Syst. Sil. 

 Boh., vol. 1, Supp., p. 536. Type N. 

 pollens. 



Octonaria, Jones, 1887, Ann. and Mag. Nat. 

 Hist., ser. 5, vol. 19, p. 404. [Ety. 

 octonarius, a, urn, consisting of eight ; 

 an adjective.] If any regard to the 



