568 PHILOSOPHICAL TRANSACTIONS. [aNNO 1701. 



its shoulders black, and only edged with yellow, and its sheath wings equally 

 mixed ; whereas that from Maryland has most black, in its sheaths, and a 

 yellow ring round the middle of its scapula. 



39. Crioceros Marianus castanei coloris, antennis tortilibus membranaceis. 

 This resembles the 2d figure in Mouffet, p. 153. 



40. Crioceros Marianus castanei coloris, antennis tenuioribus geniculatis. 

 This is slenderer than the last, both in body and horns especially, otherwise 

 very like. I believe they are male and female. 



41. Curculio Carolinianus ruber, maculis nigris. 



42. Mclolonthes Marianus maximus, maculatus. 



43. Melolonthes Marianus viridis, marginibus flavis. 



44. Nasicornis Tauroceros Marianus splendens castanei coloris. 



45. Scarabaeus Carolinianus, oblongus, niger, forcipatus, vaginis striatis. 



46. Scarabaeus Carolinianus subrotundis niger lasvis. 



47- Scarabaeus Marianus pediculosi rostro simili. The sulcae or furrows on 

 the vaginse in this are larger, otherwise very like N° g, in my Museum, p. 4. 



48. Scarabseolus Carolinianus nigro flavoque mixtus. 



49. Testudinulus Carolinianus flavus margine transparente. 



50. Phalaena magna cinerea cruribus spinulis armatis. The horn worm fly, 

 so called from a horned eruca, or caterpillar, that feeds on green tobacco, and 

 towards the fall creeps into the ground, and becomes an aurelia of a reddish 

 brown colour, in which the proboscis of our moth has its involucrum, &c. 



51. Tinea Scorpiuncularis libros depascens. It has 8 legs besides its claws, 

 and creeps very fast, both backward, forward, and sideways, and is found in 

 old musty books. 



. 52. Phalangium Imperati 681 desc. and 692 fig. 



53. Phalangium alterum oculis quatuor majoribus in segmento arcus circuli 

 sursum curvanli, totidemque minoribus simili more subtus in fronte dispositis. 



On drawing the Meridian Line by the Pole Star, and Jinding the Hour by the 

 same. By Mr. Stephen Gray. N° 270, p. 815. 



I have sent some farther thoughts on the instrument for drawing a meridian 

 line,* and have improved it so far, as that no other star will be made use of 

 than the polar one to obtain the hour and minute of the day or night ; but I 

 shall describe the instrument. 



Let there be taken a telescope of 1 6 feet, or longer ; in the plane of its focus 

 place a ring of brass at right angles to the axis of the glass, the diameter of 



, * See p. 549 of this volume. ; ' 



