LITERATURE. 363 



30. WATASE, S. On the Morphology of the Compound Eyes of 



Arthropods. Stud. Biol. Lab. Johns Hopkins Univ. Vol. iv. 

 1890. Extr. in Quart. Journ. Micro. Sci. (2). Vol. xxxi. 

 1890. 



31. WiLLEMOES-SuHM, R. v. On a Crustacean Larva at one time 



supposed to be the larva of Limulus. Quart. Journ. Micro. 

 Sci. (2). Vol. xxiii. 1883. 



APPENDIX TO LITERATURE ON THE XIPHOSURA. 

 I. KINGSLEY, J. S. The Embryology of Limulus. Journ. Morpli. 



Vols. vii. and viii. 



II. KISHINOUYE, K. On the Development of Limulus longispina, 

 Journ. Sci. Coll. Imp. Univ. Japan. Vol. v. 1892. 



III. PACKARD, A. S. Further Studies on the Brain of Limulus 



polyphemus, with Notes on its Embryology. Mem. Acad. 

 Washington. Vol. vi. 



IV. PATTEN, W. On the Morphology and Physiology of the Brain 



and Sense Organs of Limulus. Quart. Journ. Micro. Sci. 

 Vol. xxxv. 

 \ . PATTEN, W. Variations in the Development of Limulus 



polyphemus. Journ. Morpli. Vol. xii. 



VI. TOWER, R. W. The external opening of the brick-red Gland in 

 Limulus polyphemus. Zool. Anz. xviii. 



ADDITIONAL LITERATURE ON PALAEOSTRACA IN 



GENERAL. 

 I. LAURIE, M. Recent additions to our knowledge of the Euryp- 



terida. Nat. Sci. Vol. iii. 



II. LAURIE, M. Anatomy and Relation of the Eurypterids. Tr. 

 Roy. Soc. Edinb. Vol. xxxvii. 



