114 CALIFORNIA ACADEMY OF SCIENCES. 



Beyrkhiopsisfimhricata J. it K. Phrentnra roncinna J. <t K. Youngia 

 retidosalis J. & K. 



This valuable paper contains a classiticatiou of the Carboniferous strata 

 of England and Scotland, with tabulated lists of the distribution of the 

 Ostracoda . 



Fourth report of tlie committee, consisting of 



Mr. R. Etheridge, Dr. H. Woodward, and Prof. T. Rupert 

 Jones (Secretary), on the fossil Phyllopoda of the Palseo- 

 zoic Rocks, 1886. 



In Kep. oGth Meeting Brit. Assoc. Adv. Sci., 1886, p. 229. 



1, Ceratiocaris leptodactylus McCoy. 2, C. murchisoni Agas. 3, C. gigas 

 Salt. 4, C. valida n. sp. 5, C. attenuata n. sp. fC. ? tyrannus Salt.) 6, C. 

 ranaliculata n. sp. 7, C. halliana u. sp. 8, C. par doe ana La Touche. 9, 

 C. ludensia H. W. 10, C. robiista Salt., C lata, angusta and miniita n. sp. 

 11, C papilio and C. stygia Salt. 12, C. laxa n. sp. 13, C. saHeriana J. & 

 W. 14, C. cassia Salt., C. cassloides n. sp. 15, C. compta n. sp. 16, C. 

 inornata McCoy. 17, C. ruthveniana n. sp. 18, C. oreionensis and C. irun- 

 cuia H. W. 19, C. solenoides McCoy and C. gohUformis J. & W. 20, Em- 

 melezoe elliptica McCoy, E. temdstriata n. sp., E. viaccoyiana n. sp. 21, 

 Xiphocaris ensis Salt. 22, Physocaris vesica Salt. 23, C. sp. 24, C. longi- 

 cauda Sharps. 25, Ptychocaris simplex and P. parvtdu Ovak. 26, Crypto- 

 zoe problematica Packard. 27, Geological localities of Mr. S. M. Clarke's 

 fossil Phyllopods. 28, List of British PaUeozoic Phyllocarida described 

 in the Third and Fourth Reports. 



and Kirkby (James W.) A list of the genera 



and species of bivalved Entomostraca found in the Car- 

 boniferous formations of Great Britain and Ireland. 

 With notes on the genera and their distribution. 



In Proc. Geologist Assoc, vol. 9, 1887, p. 495. 



I.' CypridinidfB: I, Cypridina. 2, Cypridinella. 3, CypridelUna. 4, 

 (hipridella. 5, Sulctina. 6, Cyprella. 7, Bradycinetus. 8, Philomedes. 

 9, Rhomhina. 



II. EntomoconchidfB: 1, Entomoconchns. 2, Offa. 



III. PolycopidsB: 1, Polycope. 



IV. Entomididaj: 1, Entomis. 



V. CytherellidfB: 1, Cytherella. 



VI. Lepei"ditida3: 1, Leperdilia. 2, Beniix. 2, Beyrichia. 4, Bey- 

 rirhiella. 5, Beyrichiopsis. 6, Kirkbya. 7, Moorea. 8, Phreatura. 



VII. Cj'prididae: 1, Aglaia. 2, Candona. 3, Argillcecia. 4t, Macro- 

 cypris. 5, Bythocypris. 6, Bairdia. 



VIII. Dawiuulidae: 1, Daioinula. 



IX. Cytheridae: I, Cythere. 2, Xesioleberis. 3, Byfhocythere. 4, Car- 

 boiiia. 5, Youngia. 



