34 



THK INOROANTC CONSTITUENTS OF M.VKINK 1XVERTKBR.\TKS. 



BRYOZOA. 



Thirteen Bryozoa have been analyzed in the course of this research, as follows: 



1. Schizoporella uiuconii's Johnston. \'ineyard .Sound. Ma.«.«. ; depth of water, 15.5 meters; bottom temperature, 

 20.5° C. 



2. Schizoporella unicornis Johnston. Between John's Pass and Pass a Grille Fla. 



3. Microporella grisea Lamouroux. Australia. 



4. Cellepora incrassata jjamarek. Northeast part of the Grand Banks. 



5. Flustra membmnacfd trunmla Smith. St. Paul Island. Pribilof grouji. .\laska; latitude. 57° N.; longitude, 

 170° W. Only 0.1165 gram available for analysis. 



6. Lepralia paUasinnii MoUer. Off Gloucester, Mass. A thin coating on a granite pebble; weight of organism, 

 0.4078 gram. 



7. Lepralia rosterigcrn (.SmitO. Cedar Keys, Fla. 



8. Holoporella albirosiris (Smitt). Cedar Rapids, Fla. 



9. Frondipora rerrucosa Lamouroux. From the Naples Zoological Station, without definite statement as to locality. 



10. Amaihia spiralis Lamouroux. Albatross station 2619, between Cape Hatteras and Charleston, S. ('.; latitude, 

 33° 38' N.; longitude, 77° 36' W.; depth. 27.5 meters. Only 0.3 gram was available for analysis. 



Analyses 7-10 by R. M. Kamm. 



11. Catenicella mnrgnriliu-ea Busk. Australia. 



12. Bugula iurrila Desor. Georges Bank, off coast of Massachusetts; Albatross station 2578; latitude. 41° 20' 30" 

 N., longitude 68° 34' 30" W. ; depth of water. 67.7 meters; bottom temperature, 12.4° C. 



13. Bugula neritiim Linn^. Florida. 



The actual analyses are as follows: 



Analyses of Bryozoa. 



RiO. 



(Al.Fe)^ 



MgO 



CaO 



PA 



SOj 



Ignition 



CO, needed 



Organic matter, etc 



1.65 



.29 



.28 



50. 90 



Trace. 



.73 



45.64 



99.49 

 39.92 



5.72 



2.49 



.37 



2.04 



48.17 



Trace. 



.77 



45.70 



99.54 



40.16 



5.54 



0.17 

 .11 

 .49 



50.83 

 .10 

 .79 



46.80 



99.29 

 39.94 



6.86 



0.19 



.19 



2.74 



49.46 



Trace. 



.98 



46.03 



99.49 



41.26 



5.06 



3.00 



2,06 



30.81 



.09 



(?) 

 6L45 



97.41 

 26.39 

 35.06 



4.78 



.13 



2.32 



43.08 



.11 



(?) 



50.42 

 36.29 

 13.29 



SiOj 



(Al.Fe)A 



MgO 



CaO 



&?•::;;:.;;:::::: 



Ignition 



C0.2 needed 



Organic matter, etc 



0.36 



.39 



1.25 



50.54 



Trace. 



.80 



45.96 



99.30 



40.64 



5.32 



■ 0.55 



1.16 



50.94 



Trace. 



.86 

 45.87 



99.38 



40.83 



5.04 



1.27 



.64 



.07 



48.51 



Trace. 



1.49 



44.00 



95.98 



37.38 



6.62 



10 



5.75 



.31 

 3.44 



(?) 

 (?) 

 18.79 



98.29 



3.04 



85.75 



11 



0.95 



.41 



3.50 



40.83 



.16 



LOO 



52.06 



99.51 

 35.23 

 17.43 



12 



8.77 

 1.18 

 2.55 



20.45 



.38 



L47 



6L51 



96.31 

 17.69 

 43.82 



13 



6.31 



.75 



2.57 



19.69 



.60 



2.43 



59.47 



91.82 

 16.41 

 43.06 



