442 PHILOSOPHICAL TRANSACTIONS. [aNNO I67O. 



latter end of the season commonly ceases before morning. Possibly some may 

 bleed after a frost, yet further in the summer. 



I observed last year in August a copious and spontaneous exudation, very 

 like bleeding, of a viscous yellow juice out of the buds of a black poplar. Our 

 walnut-trees bleed here in January. 



The star-fish, in the last Transactions, is the stella arborescens Rondeletti 

 first described by him, and since by other naturalists. 



' There is no such dwarf oak in Old England, growing wild, as was sent you 

 out of New England, nor in any other country where we have been, unless it 

 be the ilex coccifera, which is a low shrub, bearing large acorns, and has 

 a prickly leaf like holly. If it prove that, it will be a luciferous discovery. 



An Account of some Boohs. N" 58, p. 1200. 



I. Joh. Sig. Elsholtii, Elector. Brandenburg. Medici, Clysmatica Nova, 

 sive Ratio in venam sectam Medicamenta immittendi. Coloniae Brandebur- 

 gicas. 1667, 8vo. 



The title-page of this book, but very lately arrived in England, shows this 

 to be the second edition ; and the author in the conclusion of it tells the 

 reader, that the first edition thereof was published in 1665, at which time he 

 affirms there had been nothing printed (for aught he knew) either by English, 

 French, or Italians, of this argument. To which we shall answer by referring 

 the candid reader to what has been said already on infusing medical liquors, 

 and transfusing blood, in several of these Tracts, as Number 7 , p. 45, Num- 

 ber 20, p. 128, Number 22, p. 143, Number 35, p. 246. 



II. Nicolai Hobokeni * Anatomia Secundinae Humanae, Ultrajecti. 1669, Svo. 



This author intending to inquire more narrowly into all the particulars con- 

 cerning human generation, premises these observations, touching the human 

 secundine, lately made by himself, and accompanied with 1 5 accurate schemes, 

 drawn by his own hand, and representing, first, in a female foetus, the placenta 

 uteri, together with the membranes and string on both sides, where the same 

 respects the uterus as well as the foetus, and more particularly the membrane 

 amnios, severed from the placenta, and the vessels running through the other 



* This Dutch anatomist and physician was born at Utrecht in l632. He held a medical profes- 

 sorship at Harderwick, He was author of tlie following treatises : Ductus Salivalis Blasianus in lu- 

 cem protractus, l662j Anatomia Secundinae Humanae, 1 669, (and again with considerable emenda- 

 tions 1675); Anatomia Secundinae Vitulinae, I67O3 Medicina Physiologica, l685. Hoboken's Ana- 

 tomical Descriptions of the Secundines are deemed excellent works j the figures are neat and accu- 

 rate, and were drawn by himself. Prefixed to his treatise on Physiology is an Oratio de Nobilitate 

 Medicoram. 



