760 



Index. 



Pleurozia, Irish species of, 619. 

 Polarization of the zodiacal light, 218. 

 PolydactyUsm, on a case of, 539. 

 PoreUa, Irish species of, 617. 

 Potato disease, chemical changes during 



the progress of, 736. 

 Preissa, Irish species of, 602. 

 Printing inks of the sixteenth and 



seventeenth centuries, on the, 83. 

 Product of the squares of the differences 



of the roots of a cubic equation, 744. 

 Pseudotsuga douglasii, Sab., 703. 



fortunei, Pari., 702. 



magnifica, A. Mur., 700. 



nobilis, Doug., 699. 



Quadratic expression, Q' - 3PP', 744. 

 Quinqueloculina omatissima, 590. 



Radula, Irish species of, 616. 

 Retro-peritoneal cavities, new form of, 



79. 

 Rhinodon typicus, 583. 

 Eiccardia, Irish species of, 667. 

 Riccia, Irish species of, 605. 

 RiccieUa, Irish species of, 606. 

 Ricciocarpus, Irish species of, 607. 

 Rocks, ingenite, structure of, 94, 180. 

 of Yar-Connaught, &c., 102, 174. 



Saccogyna, Irish species of, 632. 



Sagenaria bailyana, 46. 



Salts of fulminic acid, newly observed 



properties of, 183. 

 Sarcodic organism, on a new freshwater, 



140. 

 Saurian, new fossil, from Arctic Regions, 



177. 

 Scalia, Irish species of, 660. 

 Scapania, Irish species of, 637. 



Seychelles Myrtacese, 160. 



, a new genus of Pandarina from, 



583. 



, Foraminifera from, 586. 



Sirosiphon, apothecia in, 89. 



Skull, human, lachrymo-jugal suture 



in, 58. 

 Solution of alloys and metals by acids, 



on the, 81. 

 Spectra, faint, on a spectroscope for the 



observation of, 42. 

 Spectroscope of the binocular form, on 



a, 42. 

 Spectrum, &c., of the zodiacal light,218 . 

 Sphserocarpus, Irish species of, 669. 

 Spirotsenia gracillima, nov. sp., 148. 

 Sponge, on a new genus and species of, 



755. 

 Stasiotes rhinodontis, nov. gen. et 



spec, 584. 

 Stigonema, apothecia in, 90. 

 Syctonema, apothecia in, 8.8. 



Targionia, Irish species of, 605. 

 Tetrapteryx stanleyannus, lumbar and 



sacral plexus of, 57. 

 Tidal currents, the drifting power of, 



versus that of wind-waves, 443. 

 Transit observations, on personal errors 



in, 484. 

 Trichocolea, Irish species of, 633. 

 Tsuga, species of, 211. 



Vital action, on heat as a factor in, 1. 



"Waters, mineral, of Lisdoonvama, 189. 

 Wind-waves and tidal currents, 443. 



Zodiacal light, its spectrum, &c., 218. 



N.B.— Date 



of publication of the several Parts of V 



Science : — 







Part 1, pp. 1 to 84, January, 1875. 

 „ 2, „ 85 „ 176, April, 

 „ 3, „ 177 „ 234, July, 

 „ 4, „ 235 „ 424, October, ,, 





„ 5, „ 425 „ 458, January, 1876 

 „ 6, „ 459 „ 590, July, ,, 

 „ 7, „ 591 „ 756, January, 1877. 



END OF VOLUME II. 



