74 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 92 



/. Anterior pleuropyloric ossicle (XXIII) to anterior mesopyloric 

 ossicle (XIV). 



m. Ampulla (Amp) to antero-inferior pyloric ossicle (XVII). 



n. Lateral cardiopyloric ossicle (XIII) to inferolateral cardiac os- 

 sicle (A7). 



ABBREVIATIONS USED ON THE FIGURES 



a-b, primitive dorsoventral axis of Fib, flabellum. 



appendage. Fig, flagellum. 

 A Cxpd, anterior part of coxopodite. I, dorsal promoter muscle. 

 Add, tendon of adductor of mandible. Iscpd, ischiopodite. 



Ant, anterior border. /, dorsal remotor. 



Appd, appendage. K, ventral promotor. 



Bnd, endite of basipodite. L, ventral remotor. 



Bs-Iscpd, basi-ischiopodite. Mrpd, meropodite. 



Bspd, basipodite. Palp, palp. 



Cex, exite of coxopodite. P Cxpd, posterior part of coxopodite. 



Cnd, endite of coxopodite. Post, posterior border. 



Crpd, carpopodite. Prpd, propodite. 



Cxpd, coxopodite. Prtpd, protopodite. 



Dcpd, dactylopodite. Ptg, paratergite. 



End, endite. Scg, scaphognathite. 



Endpd, endopodite. St, statocyst. 



Eppd, epipodite. Stn, sternum. , 



Ex, exite. T, tergum. 



Expd, exopodite. Tn, telson. 



REFERENCES 

 Baumann, H. 



1919. Das Gefass-system von Astacns fiuviatilis (Potaniobius astacus L.) 

 Ein Beitrag zur Morphologic der Decapoden. Zeitschr. wiss. Zool., 

 vol. 118, pt. 2, pp. 246-312, 35 figs. 

 Berkeley, A. A. 



1928. The musculature of Pandalus danae Stimpson. Trans. Roy. Canadian 



Inst. Toronto, vol. 16, pp. 181-321, 8 pis. 

 Binder, G. 



1929. Das Muskelsystem von Daphnia. Lotos Prag., vol. J7, pp. 30-32. 

 BORNER, C. 



1921. Die GHedmassen der Arthropoden. /?t A. Lang's Handbuch der Mor- 



phologic der Wirbellosen Tiere. Vol. 4. Arthropoda. 



BORRADAILE, L. A. 



1922. On the mouth-parts of the shore crab. Journ. Linn. Soc, Zool., vol. 



35, pp. 115-142, pis. lo-il. 

 1926. Notes upon crustacean limbs. Ann. Mag. Nat. Hist., ser. 9, vol. 17, 



pp. 193-213, pis. 7-10. 

 Brooks, W. K. 



1882. Handbook of invertebrate zoology for laboratories and seaside work, 



chaps. 18, 20, 21. Cassino, Boston. 



I 



